{"id":14448,"date":"2026-05-19T15:17:16","date_gmt":"2026-05-19T08:17:16","guid":{"rendered":"https:\/\/smartglassquality.com\/2026\/05\/19\/exterior-waterproof-silicone-find-the-root-cause-of-the-leak-first-then-seal-it-with-the-right-type\/"},"modified":"2026-05-20T13:48:23","modified_gmt":"2026-05-20T06:48:23","slug":"exterior-waterproof-silicone-guide","status":"publish","type":"post","link":"https:\/\/smartglassquality.com\/en\/2026\/05\/19\/exterior-waterproof-silicone-guide\/","title":{"rendered":"Exterior waterproof silicone: find the root cause of the leak first, then seal it with the right type."},"content":{"rendered":"\n<div class=\"row\"  id=\"row-1818066803\">\n\n\n\t<div id=\"col-987288267\" class=\"col medium-12 small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-2714723116\" class=\"text\">\n\t\t\n\n<p><span style=\"font-family: 'courier new', courier; color: #282828;\">News&amp;Knowledge from SgQ<\/span><\/p>\n<h1><span style=\"font-size: 200%;\">Exterior waterproof silicone: find the root cause of <span style=\"color: #6c8ec4;\">the leak first, then seal it with the right type.<\/span><\/span><\/h1>\n\t\t\n<style>\n#text-2714723116 {\n  font-size: 0.85rem;\n}\n@media (min-width:550px) {\n  #text-2714723116 {\n    font-size: 1rem;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1628526336\">\n\n\n\t<div id=\"col-829126903\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-weight: 400; font-size: 110%;\">Based on the installation experience of the SGQ Khlong Sam team, 80% of water leakage problems around aluminum doors and windows are caused by deteriorated silicone sealant\u2014not by EPDM rubber or the frame itself. Choosing the wrong type of silicone can cause it to dry out, crack, or peel off faster than normal. Before buying sealing silicone, you need to identify the root cause first.<\/span><\/p>\n\n\n<div style=\"max-width:1000px;margin:0 auto;padding:0 0 24px\">\n  <p style=\"font-size:12px;color:#36578a;margin:0 0 6px\">\n \u270d\ufe0f Written by: SGQ Team (SmartGlassQuality Khlong Sam)\n  <\/p>\n  <p style=\"font-size:12px;color:#36578a;margin:0\">\n \ud83d\udcc5 Last updated: May 19, 2026\n  <\/p>\n<\/div>\n\n\n\n<div id=\"sgq-toc\" style=\"border:1px solid #36578a;border-radius:10px;padding:0;margin:28px 0;font-family:'Noto Sans Thai',sans-serif;background:#fff;\">\n  <button onclick=\"(function(){var c=document.getElementById('sgq-toc-body'),i=document.getElementById('sgq-toc-icon');if(c.style.display==='none'){c.style.display='block';i.textContent='\u2212'}else{c.style.display='none';i.textContent='+'}})()\" style=\"width:100%;background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-size:16px;font-weight:700;color:#36578a;font-family:'Noto Sans Thai',sans-serif;\">\n    <span>Table of Contents<\/span>\n    <span id=\"sgq-toc-icon\" style=\"width:24px;height:24px;border:1px solid #36578a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;flex-shrink:0;\">\u2212<\/span>\n  <\/button>\n  <div id=\"sgq-toc-body\" style=\"padding:0 18px 16px 18px;\">\n    <ol style=\"margin:0;padding-left:20px;font-size:15px;line-height:2;color:#36578a;\">\n      <li><a href=\"#causes\" style=\"color:#36578a;text-decoration:none;\">Why 80% of Leaks Come from Silicone Failure<\/a><\/li>\n      <li><a href=\"#find-leak\" style=\"color:#36578a;text-decoration:none;\">How to Locate the Leak Before Applying Silicone<\/a><\/li>\n      <li><a href=\"#choose-silicone\" style=\"color:#36578a;text-decoration:none;\">Choosing the Right Silicone: 4 Main Types<\/a><\/li>\n      <li><a href=\"#position-guide\" style=\"color:#36578a;text-decoration:none;\">Silicone Selection by Application Area<\/a><\/li>\n      <li><a href=\"#technique\" style=\"color:#36578a;text-decoration:none;\">Techniques for a Clean, Long-Lasting Silicone Bead<\/a><\/li>\n      <li><a href=\"#epdm\" style=\"color:#36578a;text-decoration:none;\">Silicone vs. EPDM Rubber Seal: Different Roles<\/a><\/li>\n      <li><a href=\"#tldr\" style=\"color:#36578a;text-decoration:none;\">Summary: Silicone Fixes That Actually Work<\/a><\/li>\n      <li><a href=\"#faq\" style=\"color:#36578a;text-decoration:none;\">Frequently Asked Questions (FAQ)<\/a><\/li>\n    <\/ol>\n  <\/div>\n<\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1187917173\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1160\" height=\"760\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-waterproof-aluminum-guide-sgq.webp\" class=\"attachment-original size-original\" alt=\"Exterior waterproof silicone: find the root cause of the leak first, then seal it with the right type SGQ Khlong Sam\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-waterproof-aluminum-guide-sgq.webp 1160w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-waterproof-aluminum-guide-sgq-611x400.webp 611w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-waterproof-aluminum-guide-sgq-768x503.webp 768w\" sizes=\"auto, (max-width: 1160px) 100vw, 1160px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1187917173 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"gap-1246291320\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1246291320 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-270496665\">\n\n\n\t<div id=\"col-103353090\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p><span style=\"font-weight: 400; font-size: 110%;\">When it rains and water seeps into the house through the window frame, it is a classic problem many homes face. It is often fixed by applying a new layer of silicone over the old one without finding the real cause. As a result, the new silicone peels off within 1\u20132 years, and the problem comes back again.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 110%;\">This guide will help you: (1) find the leakage point before applying silicone, (2) understand which type of silicone is suitable for exterior use, and (3) know when to fix it yourself or call a technician. It is based on real experience from SGQ technicians who have solved silicone-related problems in many projects.<\/span><\/p>\n<p><i><span style=\"font-weight: 400;\">This article focuses on \u201cdiagnosing and identifying the root cause of leakage.\u201d For a comparison table of all silicone types and detailed application techniques, see:<\/span><\/i> <strong><a href=\"https:\/\/smartglassquality.com\/en\/2025\/05\/09\/techniques-for-choosing-waterproof-silicone\/\" target=\"_blank\" rel=\"noopener\">Techniques for choosing the right silicone for outdoor aluminum work.<\/a><\/strong><\/p>\n\t<div id=\"gap-206330043\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-206330043 {\n  padding-top: 20px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"background:#f0f4ff;border-left:4px solid #36578a;padding:18px 20px;border-radius:8px;margin:24px 0;\">\n  <p style=\"margin:0;font-size:17px;color:#23345c;line-height:1.8;\">\n \ud83d\udcac<strong> Can\u2019t find the leakage point, or not sure which area needs fixing?<\/strong>\nThe SGQ team provides a free inspection and assessment at no cost.<br\/>\ud83d\udcac <a href=\"https:\/\/lin.ee\/Wkn1Ong\" style=\"color:#23345c;font-weight:700;\">Line: @sgqklongsam<\/a> |<br\/>\ud83d\udcde <a href=\"tel:0818852629\" style=\"color:#23345c;font-weight:700;\">081-885-2629<\/a>\n  <\/p>\n<\/div>\n\n\n\n<span id=\"causes\"\/>\n\n\t<div id=\"gap-1046434453\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1046434453 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\"><b>Why 80% of leakage problems come from silicone, not the frame or glass<\/b><\/span><\/h2>\n<p><span style=\"font-size: 110%;\">When water seeps into the house through the window frame, most people usually think of cracked glass or damaged aluminum frames first. In reality, however, both the glass and frame are often not the main cause. Deteriorated silicone sealant, which quietly wears out over time and from sunlight exposure, is the real culprit in almost every case.<\/span> <span style=\"font-weight: 400; font-size: 110%;\">Based on SGQ\u2019s inspections across many projects, the actual causes of leakage problems can be divided as follows:<\/span><\/p>\n\n\n<div style=\"overflow-x:auto;margin:28px 0;\">\n  <table style=\"width:100%;min-width:560px;border-collapse:separate;border-spacing:0;border-radius:16px;overflow:hidden;border:1px solid #e5e7eb;font-size:18px;font-family:'Noto Sans Thai',sans-serif;\">\n    <thead>\n      <tr style=\"background:#23345c;color:#fff;\">\n        <th style=\"padding:13px 16px;text-align:left;font-weight:700;\">Cause of leakage<\/th>\n<th style=\"padding:13px 16px;text-align:center;font-weight:700;background:#36578a;\">Proportion<\/th>\n<th style=\"padding:13px 16px;text-align:left;font-weight:700;\">Details<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">Silicone sealant between the window\/door frame and wall is cracked or peeling off<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\"><span style=\"background:#fee2e2;color:#991b1b;font-size:15px;font-weight:800;padding:4px 12px;border-radius:20px;\">80%<\/span><\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">Main cause: silicone deteriorates over time due to age and sunlight exposure.<\/td>\n      <\/tr>\n      <tr style=\"background:#f9fafb;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">Silicone between the glass and frame has deteriorated<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#e8eeff;text-align:center;\"><span style=\"background:#fef9c3;color:#92400e;font-size:15px;font-weight:800;padding:4px 12px;border-radius:20px;\">12%<\/span><\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">Directly exposed to sunlight, so it deteriorates faster than other areas.<\/td>\n      <\/tr>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">EPDM rubber is loose or deteriorated<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\"><span style=\"background:#d1fae5;color:#065f46;font-size:15px;font-weight:800;padding:4px 12px;border-radius:20px;\">5%<\/span><\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">Long service life, but if it comes loose, water can seep in immediately.<\/td>\n      <\/tr>\n      <tr style=\"background:#f9fafb;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">The frame structure or wall has problems<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#e8eeff;text-align:center;\">3%<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">This case must be assessed by a technician only.<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n<p><span style=\"font-size: 110%;\"><b>\ud83d\udd2c<\/b> <span style=\"font-weight: 400;\">Low-quality silicone in Thailand\u2019s weather conditions, where temperatures shift between hot and cool every day, such as 35\u00b0C during the day and 22\u00b0C at night, repeatedly expands and contracts. This can cause cracks within 3\u20135 years. High-quality modified silicone can last 10\u201315 years under the same conditions.<\/span><\/span><\/p>\n\n\n<span id=\"find-leak\"\/>\n\n\t<div id=\"gap-214388218\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-214388218 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\"><b>How to find the leakage point before applying silicone \u2014 do this every time<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 110%;\">Do not rush to apply silicone over the old sealant right away. If you cannot find the actual leakage point, sealing it will not solve the problem. This step takes no more than 20 minutes but can help save a lot on repeated repair costs.<\/span><\/p>\n<h3><span style=\"font-size: 115%;\">Test with a hose before repairing<\/span><\/h3>\n<p><span style=\"font-weight: 400; font-size: 110%;\">Use a hose to spray water on each area one section at a time. One person should spray water from the outside, while another person checks from the inside to see where the water is seeping in.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">Always start from top to bottom. Spray the joint between the frame and the wall first, then move down to the glass joint.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">Water seeps in immediately when spraying the glass-to-frame joint = the glass silicone has deteriorated.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">Slow water seepage, or seepage when spraying water at the frame-to-wall joint, means the silicone sealant has deteriorated.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">Water seeps in slowly, or only when spraying the frame-to-wall joint = the sealant silicone has deteriorated.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-size: 115%;\">Visual check: Is the existing silicone still in good condition?<\/span><\/h3>\n<p><span style=\"font-weight: 400; font-size: 110%;\">Check the condition of the existing silicone before making a decision:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">If the silicone is cracked or has pulled away from the surface, the entire seal line must be replaced.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">Black silicone with mold stains means it must be completely scraped out, not sealed over.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; font-size: 110%;\">If the silicone looks fine but still leaks, there may be air gaps inside. It must be scraped off and reapplied.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400; font-size: 110%;\">\u26a0\ufe0f Do not apply new silicone over the old silicone without scraping it off first! New silicone will not bond properly to deteriorated old silicone. The old silicone must be completely removed, and the surface must be cleaned and fully dried before applying new silicone. <\/span><\/p>\n\n\n<span id=\"choose-silicone\"\/>\n\n\t<div id=\"gap-227187527\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-227187527 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\">Choose the right silicone: comparison table of 4 main types<\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 110%;\">There are 4 main types of silicone on the market. However, for all exterior applications, you should use only Neutral Silicone or Modified Silicone. Do not use acid-cure silicone (GP) with aluminum or concrete, because acetic acid can corrode the surface and cause the seal to loosen faster.<\/span><\/p>\n<p><span style=\"font-weight: 400; font-size: 110%;\">For damp areas such as bathrooms or balconies where water may accumulate, choose Anti-Fungal Silicone to prevent black mold stains. For areas directly exposed to sunlight, choose Modified Silicone, which offers longer-lasting UV resistance.<\/span><\/p>\n\n\n<div style=\"overflow-x:auto;margin:28px 0;\">\n  <table style=\"width:100%;min-width:580px;border-collapse:separate;border-spacing:0;border-radius:16px;overflow:hidden;border:1px solid #e5e7eb;font-size:18px;font-family:'Noto Sans Thai',sans-serif;\">\n    <thead>\n      <tr style=\"background:#23345c;\">\n        <th style=\"padding:13px 16px;text-align:left;font-weight:700;color:#fff;\">Silicone type<\/th>\n<th style=\"padding:13px 16px;text-align:center;font-weight:700;color:#fff;background:#36578a;\">Suitable applications<\/th>\n<th style=\"padding:13px 16px;text-align:center;font-weight:700;color:#fff;\">Precautions<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n\n      <tr style=\"background:#ffffff;\">\n         <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;\">\n<strong style=\"color:#23345c;display:block;\">Neutral Silicone<\/strong>\n<span style=\"font-size:13px;color:#6b7280;\">(Acid-free)<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\">\n<span style=\"display:inline-block;background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 12px;border-radius:20px;\">Aluminum, concrete, exterior applications<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\">\n<span style=\"color:#4b5563;font-size:15px;\">Slightly more expensive than acid-cure silicone<\/span>\n<\/td> \n      <\/tr>\n\n      <tr style=\"background:#f9fafb;\">\n         <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;\">\n<strong style=\"color:#23345c;display:block;\">Modified Silicone<\/strong>\n<span style=\"font-size:13px;color:#6b7280;\">(High UV resistance)<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#e8eeff;text-align:center;\">\n<span style=\"display:inline-block;background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 12px;border-radius:20px;\">Areas directly exposed to sunlight, glass-to-frame joints <\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\">\n<span style=\"color:#4b5563;font-size:15px;\">Highest price, but can last 10\u201315 years\n<\/span><br\/><\/td> \n      <\/tr>\n\n      <tr style=\"background:#ffffff;\">\n         <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;\">\n<strong style=\"color:#23345c;display:block;\">Anti-Fungal Silicone<\/strong>\n<span style=\"font-size:13px;color:#6b7280;\">(Mold-resistant)<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\">\n<span style=\"display:inline-block;background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 12px;border-radius:20px;\">Bathrooms, balconies, and damp areas<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\">\n<span style=\"color:#4b5563;font-size:15px;\">Shorter service life, around 3\u20135 years <\/span>\n<\/td> \n      <\/tr>\n\n      <tr style=\"background:#f9fafb;\">\n         <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;\">\n<strong style=\"color:#23345c;display:block;\">Acid Silicone (GP)<\/strong>\n<span style=\"font-size:13px;color:#6b7280;\">(Contains acetic acid)<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#fff3f3;text-align:center;\">\n<span style=\"display:inline-block;background:#fef9c3;color:#92400e;font-size:13px;font-weight:700;padding:3px 12px;border-radius:20px;\">Interior glass applications only in some cases<\/span>\n<\/td>\n<td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\">\n<span style=\"display:inline-block;background:#fee2e2;color:#991b1b;font-size:13px;font-weight:700;padding:3px 12px;border-radius:20px;\">\u274c Do not use for exterior applications or aluminum work\n<\/span><br\/><\/td> \n      <\/tr>\n\n    <\/tbody>\n  <\/table>\n<\/div>\n\n\n\n<div style=\"background:#f0f4ff;border-left:4px solid #36578a;padding:16px 20px;border-radius:8px;margin:0 0 24px;\">\n  <p style=\"margin:0;font-size:16px;color:#23345c;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n <strong>\ud83d\udca1 From SGQ technicians\u2019 experience:<\/strong>\nAcid-cure silicone (GP) has a sour smell during application because it contains acetic acid.\nIf you notice this smell during exterior work, stop immediately. It is definitely the wrong type.<br\/>\u2192 <a href=\"https:\/\/smartglassquality.com\/en\/2025\/05\/09\/techniques-for-choosing-waterproof-silicone\/\" style=\"color:#23345c;font-weight:700;\">See the full silicone comparison table with recommended models<\/a>\n  <\/p>\n<\/div>\n\n\n\n<span id=\"position-guide\"\/>\n\n\t<div id=\"gap-1860143485\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1860143485 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\"><b>Choose silicone based on the application area<\/b> using the water test result<\/span><\/h2>\n<p>After testing with water and identifying where the leak is, always choose silicone based on the actual problem area. Do not buy silicone only based <span style=\"font-size: 110%;\">on a shop\u2019s recommendation without knowing the leakage point. The wrong type of silicone may dry and adhere well at first, but it can deteriorate much faster than it should. Use the table below as a guide.<\/span><\/p>\n\n\n<div style=\"overflow-x:auto;margin:28px 0;\">\n  <table style=\"width:100%;min-width:640px;border-collapse:separate;border-spacing:0;border-radius:16px;overflow:hidden;border:1px solid #e5e7eb;font-size:18px;font-family:'Noto Sans Thai',sans-serif;\">\n    <thead>\n      <tr style=\"background:#23345c;color:#fff;\">\n        <th style=\"padding:13px 14px;text-align:left;font-weight:700;\">Water Test Result<\/th>\n        <th style=\"padding:13px 14px;text-align:left;font-weight:700;\">Repair Location<\/th>\n        <th style=\"padding:13px 14px;text-align:center;font-weight:700;background:#36578a;\">Recommended Silicone<\/th>\n        <th style=\"padding:13px 14px;text-align:center;font-weight:700;\">Service Life<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Seepage at joint:<br><strong style=\"color:#23345c;\">Frame\u2013Wall<\/strong><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Exterior joint sealant<\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\"><span style=\"background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">Neutral \/ Modified<\/span><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;text-align:center;color:#4b5563;\">7\u201312 years<\/td>\n      <\/tr>\n      <tr style=\"background:#f9fafb;\">\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Seepage at joint:<br><strong style=\"color:#23345c;\">Glass\u2013Frame<\/strong><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Exterior glass silicone<\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;background:#e8eeff;text-align:center;\"><span style=\"background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">Modified \/ Weather Sealant<\/span><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;text-align:center;color:#4b5563;\">10\u201315 years<\/td>\n      <\/tr>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Moisture in wet area:<br><strong style=\"color:#23345c;\">Bathroom \/ Balcony<\/strong><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Wet area joints<\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;background:#f0f4ff;text-align:center;\"><span style=\"background:#fef9c3;color:#92400e;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">Anti-Fungal Silicone<\/span><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;text-align:center;color:#4b5563;\">3\u20135 years<\/td>\n      <\/tr>\n      <tr style=\"background:#f9fafb;\">\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Leaks at<br><strong style=\"color:#23345c;\">multiple points simultaneously<\/strong><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;color:#4b5563;\">Entire exterior sealing system<\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;background:#e8eeff;text-align:center;\"><span style=\"background:#fee2e2;color:#991b1b;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">Professional Assessment Required<\/span><\/td>\n        <td style=\"padding:11px 14px;border-top:1px solid #e5e7eb;text-align:center;color:#4b5563;\">Depends on condition<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n\n\n<span id=\"technique\"\/>\n\n\t<div id=\"gap-453654740\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-453654740 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\"><b>Techniques for applying silicone neatly, making it last longer, and preventing peeling<\/b><\/span><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-&#091;1.7&#093;\"><span style=\"font-size: 110%;\">Once you have found the leakage point and chosen the right type of silicone, proper application is just as important. Even high-quality silicone can peel off quickly if applied incorrectly.<\/span><\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-&#091;1.7&#093;\"><span style=\"font-size: 110%;\">The first step you must not skip is scraping off all old silicone. Then wipe the surface with 70% alcohol or higher and let it dry completely for at least 10\u201315 minutes before applying new silicone. If there is still moisture or oil residue on the surface, the silicone will not bond as well as it should.<\/span><\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-&#091;1.7&#093;\"><span style=\"font-size: 110%;\">The ideal joint size for applying silicone is 6\u201312 mm. If the joint is too narrow, the silicone will not have enough space to handle expansion and contraction. If the joint is wider than 15 mm, a backup rod must be inserted first. Otherwise, the silicone will sink inward and will not form the correct shape.  <\/span><\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-&#091;1.7&#093;\"><span style=\"font-size: 110%;\">After applying silicone, smooth the seal with your finger or a trowel lightly dipped in soapy water. This helps create an even silicone surface and improves adhesion to both edges. Then allow it to cure for at least 24 hours before water exposure, and 48\u201372 hours for full strength.<\/span><\/p>\n\t<div id=\"gap-1547587429\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1547587429 {\n  padding-top: 20px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"background:#23345c;border-radius:12px;padding:32px;text-align:center;margin:32px 0;\">\n  <p style=\"font-size:20px;color:#fff;font-weight:700;margin:0 0 10px;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udca7 Can\u2019t find the leakage point, or is the silicone deteriorated in several areas? Let SGQ technicians help. \n  <\/p>\n  <p style=\"font-size:17px;color:#cbd5e0;margin:0 0 24px;line-height:1.7;font-family:'Noto Sans Thai',sans-serif;\">\n Free leakage inspection and assessment | Silicone repair based on the actual problem areas<br\/>No sealing over old silicone. No repeated repairs. Choose the right silicone type from the start.\n  <\/p>\n  <div style=\"display:flex;flex-wrap:wrap;gap:12px;justify-content:center;\">\n     <a href=\"tel:0818852629\" style=\"display:inline-block;background:#fff;color:#23345c;font-weight:700;font-size:16px;padding:12px 28px;border-radius:8px;text-decoration:none;font-family:'Noto Sans Thai',sans-serif;\">\n\ud83d\udcde 081-885-2629\n<\/a>\n<a href=\"https:\/\/lin.ee\/Wkn1Ong\" style=\"display:inline-block;background:#36578a;color:#fff;font-weight:700;font-size:16px;padding:12px 28px;border-radius:8px;text-decoration:none;font-family:'Noto Sans Thai',sans-serif;\">\n\ud83d\udcac Line: @sgqklongsam\n<\/a> \n  <\/div>\n<\/div>\n\n\n\n<span id=\"epdm\"\/>\n\n\t<div id=\"gap-809821686\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-809821686 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<h2><span style=\"font-size: 120%;\"><span style=\"font-weight: 400;\"> <\/span><b>Silicone and EPDM sealing rubber have different roles do not confuse them<\/b><\/span><\/h2>\n<p><span style=\"font-weight: 400; font-size: 110%;\">In addition to silicone sealant, aluminum work also uses EPDM rubber, which many people mistakenly think is the same component. This misunderstanding often leads to fixing the wrong problem area. Here is a simple summary in table form:<\/span><\/p>\n\n\n<div style=\"overflow-x:auto;margin:28px 0;\">\n  <table style=\"width:100%;min-width:580px;border-collapse:separate;border-spacing:0;border-radius:16px;overflow:hidden;border:1px solid #e5e7eb;font-size:18px;font-family:'Noto Sans Thai',sans-serif;\">\n    <thead>\n      <tr style=\"background:#23345c;color:#fff;\">\n        <th style=\"padding:13px 16px;text-align:left;font-weight:700;\">Material<\/th>\n        <th style=\"padding:13px 16px;text-align:left;font-weight:700;\">Location<\/th>\n        <th style=\"padding:13px 16px;text-align:left;font-weight:700;background:#36578a;\">Primary Role<\/th>\n        <th style=\"padding:13px 16px;text-align:center;font-weight:700;\">Service Life<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">Silicone Sealant<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">Frame\u2013wall joints<br>and glass\u2013frame joints<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#f0f4ff;color:#4b5563;\">Adhesive sealant: fills gaps, blocks water and wind<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\"><span style=\"background:#fef9c3;color:#92400e;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">3\u201315 years<\/span><\/td>\n      <\/tr>\n      <tr style=\"background:#f9fafb;\">\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;font-weight:700;color:#23345c;\">EPDM Rubber Seal<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;color:#4b5563;\">Channel inside frame<br>supporting glass edge<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;background:#e8eeff;color:#4b5563;\">Load bearer: supports glass, absorbs vibration<\/td>\n        <td style=\"padding:12px 16px;border-top:1px solid #e5e7eb;text-align:center;\"><span style=\"background:#d1fae5;color:#065f46;font-size:13px;font-weight:700;padding:3px 10px;border-radius:20px;\">15\u201320 years<\/span><\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n<p><span style=\"font-weight: 400; font-size: 110%;\">High-quality EPDM rubber has a service life of 15\u201320 years. However, if the surrounding silicone deteriorates first, water can still seep in. This is why 80% of leakage problems come from silicone, not EPDM rubber. Replacing EPDM rubber without fixing deteriorated silicone will not truly solve the problem.<\/span> <i><span style=\"font-weight: 400;\">\u2192<a href=\"https:\/\/smartglassquality.com\/en\/2025\/10\/24\/tis-aluminium-thickness\/\" target=\"_blank\" rel=\"noopener\"> <strong>Information on sealing materials and aluminum profile thickness<\/strong><\/a><\/span><\/i><\/p>\n\t<div id=\"gap-817116645\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-817116645 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"max-width:1000px;margin:0 auto 32px;padding:0 20px;\">\n  <h3 style=\"font-size:18px;color:#23345c;font-weight:700;margin:0 0 16px;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udcd6 Related Articles\n  <\/h3>\n  <div style=\"display:flex;flex-direction:column;gap:12px;\">\n\n    <a href=\"https:\/\/smartglassquality.com\/en\/2025\/05\/09\/techniques-for-choosing-waterproof-silicone\/\" style=\"display:block;padding:16px 20px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none;background:#fff;\">\n      <p style=\"font-size:16px;color:#23345c;font-weight:700;margin:0 0 4px;font-family:'Noto Sans Thai',sans-serif;\">Waterproof silicone selection tips: comparison table of all types and recommended models<\/p>\n      <p style=\"font-size:15px;color:#6b7280;margin:0;font-family:'Noto Sans Thai',sans-serif;\">Continue from this article and view the complete table of Neutral, Modified, and Anti-Fungal silicone types with recommended models.<\/p>\n    <\/a>\n\n    <a href=\"https:\/\/smartglassquality.com\/en\/aluminum-installation\/\" style=\"display:block;padding:16px 20px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none;background:#fff;\">\n      <p style=\"font-size:16px;color:#23345c;font-weight:700;margin:0 0 4px;font-family:'Noto Sans Thai',sans-serif;\">SGQ Khlong Sam aluminum installation and repair services<\/p>\n      <p style=\"font-size:15px;color:#6b7280;margin:0;font-family:'Noto Sans Thai',sans-serif;\">Can\u2019t find the leakage point, or is the silicone deteriorated in several areas? Let SGQ technicians inspect and repair the actual problem areas.<\/p>\n    <\/a>\n\n    <a href=\"https:\/\/smartglassquality.com\/en\/2025\/10\/24\/tis-aluminium-thickness\/\" style=\"display:block;padding:16px 20px;border:1px solid #e5e7eb;border-radius:10px;text-decoration:none;background:#fff;\">\n      <p style=\"font-size:16px;color:#23345c;font-weight:700;margin:0 0 4px;font-family:'Noto Sans Thai',sans-serif;\">Standard aluminum profile thickness and sealing materials<\/p>\n      <p style=\"font-size:15px;color:#6b7280;margin:0;font-family:'Noto Sans Thai',sans-serif;\">Information on sealing materials and aluminum profiles that affect waterproofing performance<\/p>\n    <\/a>\n\n  <\/div>\n<\/div>\n\n\n\n<span id=\"tldr\"\/>\n\n\t<div id=\"gap-1585176306\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1585176306 {\n  padding-top: 20px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div id=\"tldr\" style=\"border:1px solid #36578a;border-radius:12px;padding:28px 32px;margin:32px 0;\">\n  <h2 style=\"font-size:22px;color:#23345c;font-weight:800;margin:0 0 16px;font-family:'Noto Sans Thai',sans-serif;\">\n Summary: How to fix silicone sealing issues effectively\n  <\/h2>\n  <ul style=\"font-size:16px;color:inherit;line-height:2.2;margin:0;padding-left:24px;font-family:'Noto Sans Thai',sans-serif;\">\n    <li>80% of leakage problems come from silicone \u2014 always find the leakage point with a hose test first.<\/li>\n    <li>Do not apply new silicone over old silicone \u2014 scrape it off, wipe with alcohol, let it dry, then apply new silicone.<\/li>\n    <li><strong style=\"color:#23345c;\">For all exterior applications,<\/strong> use Neutral or Modified Silicone only. Do not use acid-cure silicone (GP).<\/li>\n    <li><strong style=\"color:#23345c;\">For damp areas \/ bathrooms,<\/strong> use Anti-Fungal Silicone.<\/li>\n    <li><strong style=\"color:#23345c;\">High-quality silicone<\/strong> can last 10\u201315 years, while low-quality silicone can crack within 3\u20135 years under Thai sunlight conditions.<\/li>\n    <li><strong style=\"color:#23345c;\">EPDM rubber \u2260 silicone<\/strong> \u2014 they are different components with different roles. Do not confuse them or fix the wrong point.<\/li>\n  <\/ul>\n  <p style=\"font-size:15px;color:#36578a;margin:16px 0 0;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udccb View the complete silicone comparison table and detailed application techniques here:\n<a href=\"https:\/\/smartglassquality.com\/en\/2025\/05\/09\/techniques-for-choosing-waterproof-silicone\/\" style=\"color:#36578a;font-weight:700;\">Complete guide to choosing waterproof silicone<\/a>\n  <\/p>\n<\/div>\n\n\n\n<span id=\"faq\"\/>\n\n\t<div id=\"gap-496692649\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-496692649 {\n  padding-top: 50px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div id=\"faq\" style=\"max-width:1000px;margin:0 auto 32px;padding:0 20px;\">\n  <h2 style=\"font-size:26px;color:#23345c;font-weight:800;margin-bottom:16px;font-family:'Noto Sans Thai',sans-serif;\">\n Frequently Asked Questions: Waterproof Silicone for Aluminum Work\n  <\/h2>\n\n  <div style=\"padding:24px 0;border-top:1px solid #e5e7eb;border-bottom:1px solid #e5e7eb;\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6;font-family:'Noto Sans Thai',sans-serif;\">\n  1. Can silicone be applied over the old sealant if you don\u2019t want to scrape it out?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit;margin:0;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n It will not work. New silicone will not bond properly to deteriorated old silicone. The old silicone must be scraped off completely, wiped with alcohol, allowed to dry, and then reapplied. If new silicone is applied over the old sealant, it may peel off again within 6\u201312 months, causing unnecessary repeat repair costs.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb;\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6;font-family:'Noto Sans Thai',sans-serif;\">\n  2. Acid-cure silicone is cheaper. Can it be used for exterior applications?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit;margin:0;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n It is not recommended. Acid-cure silicone (GP) contains acetic acid, which can corrode concrete surfaces and some metals, causing the bond to loosen faster. You can identify it by its sour smell during application. For all exterior applications, always use Neutral or Modified Silicone, even though the price may be slightly higher.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb;\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6;font-family:'Noto Sans Thai',sans-serif;\">\n  3. Why does silicone turn black, and can it be fixed?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit;margin:0;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n Black stains are caused by mold. They often occur in areas with standing water, poor ventilation, or low-quality silicone without anti-fungal additives. The correct solution is to scrape off the entire seal line, clean the surface with disinfectant, and apply new Anti-Fungal Silicone. Applying new silicone over the old one will not work in this case.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb;\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6;font-family:'Noto Sans Thai',sans-serif;\">\n  4. Which silicone color is best for white window frames?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit;margin:0;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n White or clear silicone can be used. White looks cleaner in the long term, while clear silicone is suitable for work that needs to hide the sealant line. However, what matters more than the color is the type of silicone \u2014 it must be neutral-cure silicone, not acid-cure silicone, especially for exterior work.\n    <\/p>\n  <\/div>\n\n  <div style=\"padding:24px 0;border-bottom:1px solid #e5e7eb;\">\n    <h3 style=\"font-size:17px;color:#23345c;font-weight:700;margin-bottom:10px;line-height:1.6;font-family:'Noto Sans Thai',sans-serif;\">\n  5. Not sure whether to hire a technician or do it yourself?\n    <\/h3>\n    <p style=\"font-size:17px;color:inherit;margin:0;line-height:1.8;font-family:'Noto Sans Thai',sans-serif;\">\n Small silicone sealing jobs where the leakage point has already been found can be done by homeowners themselves if the correct steps are followed. However, if the leakage covers a wide area, the leakage point cannot be found, or the leak comes from the structure, it is recommended to call a technician for an inspection first. The SGQ team provides free assessment services for customers in Pathum Thani. Call 081-885-2629.\n    <\/p>\n  <\/div>\n\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e22\u0e34\u0e07\u0e17\u0e31\u0e1a\u0e23\u0e2d\u0e22\u0e40\u0e01\u0e48\u0e32\u0e44\u0e14\u0e49\u0e44\u0e2b\u0e21 \u0e16\u0e49\u0e32\u0e44\u0e21\u0e48\u0e2d\u0e22\u0e32\u0e01\u0e02\u0e39\u0e14\u0e2d\u0e2d\u0e01?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49\u0e1c\u0e25 \u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e43\u0e2b\u0e21\u0e48\u0e44\u0e21\u0e48\u0e22\u0e36\u0e14\u0e01\u0e31\u0e1a\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e40\u0e01\u0e48\u0e32\u0e17\u0e35\u0e48\u0e40\u0e2a\u0e37\u0e48\u0e2d\u0e21\u0e41\u0e25\u0e49\u0e27 \u0e15\u0e49\u0e2d\u0e07\u0e02\u0e39\u0e14\u0e2d\u0e2d\u0e01\u0e43\u0e2b\u0e49\u0e2a\u0e30\u0e2d\u0e32\u0e14 \u0e40\u0e0a\u0e47\u0e14\u0e14\u0e49\u0e27\u0e22\u0e41\u0e2d\u0e25\u0e01\u0e2d\u0e2e\u0e2d\u0e25\u0e4c \u0e23\u0e2d\u0e41\u0e2b\u0e49\u0e07 \u0e41\u0e25\u0e49\u0e27\u0e22\u0e34\u0e07\u0e43\u0e2b\u0e21\u0e48 \u0e16\u0e49\u0e32\u0e22\u0e34\u0e07\u0e17\u0e31\u0e1a\u0e08\u0e30\u0e2b\u0e25\u0e38\u0e14\u0e23\u0e48\u0e2d\u0e19\u0e0b\u0e49\u0e33\u0e20\u0e32\u0e22\u0e43\u0e19 6\u201312 \u0e40\u0e14\u0e37\u0e2d\u0e19\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e41\u0e1a\u0e1a\u0e01\u0e23\u0e14\u0e23\u0e32\u0e04\u0e32\u0e16\u0e39\u0e01\u0e01\u0e27\u0e48\u0e32 \u0e43\u0e0a\u0e49\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01\u0e44\u0e14\u0e49\u0e44\u0e2b\u0e21?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e44\u0e21\u0e48\u0e41\u0e19\u0e30\u0e19\u0e33 \u0e41\u0e1a\u0e1a\u0e01\u0e23\u0e14 (GP) \u0e21\u0e35\u0e01\u0e23\u0e14\u0e2d\u0e30\u0e0b\u0e34\u0e15\u0e34\u0e01\u0e01\u0e31\u0e14\u0e01\u0e23\u0e48\u0e2d\u0e19\u0e04\u0e2d\u0e19\u0e01\u0e23\u0e35\u0e15\u0e41\u0e25\u0e30\u0e42\u0e25\u0e2b\u0e30 \u0e17\u0e33\u0e43\u0e2b\u0e49\u0e23\u0e2d\u0e22\u0e22\u0e36\u0e14\u0e2b\u0e25\u0e27\u0e21\u0e40\u0e23\u0e47\u0e27 \u0e2a\u0e31\u0e07\u0e40\u0e01\u0e15\u0e44\u0e14\u0e49\u0e08\u0e32\u0e01\u0e01\u0e25\u0e34\u0e48\u0e19\u0e40\u0e1b\u0e23\u0e35\u0e49\u0e22\u0e27\u0e02\u0e13\u0e30\u0e22\u0e34\u0e07 \u0e07\u0e32\u0e19\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01\u0e17\u0e38\u0e01\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e04\u0e27\u0e23\u0e43\u0e0a\u0e49 Neutral \u0e2b\u0e23\u0e37\u0e2d Modified Silicone \u0e40\u0e2a\u0e21\u0e2d\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e2a\u0e35\u0e14\u0e33 \u0e40\u0e1b\u0e47\u0e19\u0e40\u0e1e\u0e23\u0e32\u0e30\u0e2d\u0e30\u0e44\u0e23 \u0e41\u0e01\u0e49\u0e44\u0e14\u0e49\u0e44\u0e2b\u0e21?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e04\u0e23\u0e32\u0e1a\u0e14\u0e33\u0e21\u0e32\u0e08\u0e32\u0e01\u0e40\u0e0a\u0e37\u0e49\u0e2d\u0e23\u0e32 \u0e21\u0e31\u0e01\u0e40\u0e01\u0e34\u0e14\u0e43\u0e19\u0e1e\u0e37\u0e49\u0e19\u0e17\u0e35\u0e48\u0e19\u0e49\u0e33\u0e02\u0e31\u0e07 \u0e23\u0e30\u0e1a\u0e32\u0e22\u0e2d\u0e32\u0e01\u0e32\u0e28\u0e44\u0e21\u0e48\u0e14\u0e35 \u0e27\u0e34\u0e18\u0e35\u0e41\u0e01\u0e49\u0e17\u0e35\u0e48\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07\u0e04\u0e37\u0e2d\u0e02\u0e39\u0e14\u0e2d\u0e2d\u0e01\u0e17\u0e31\u0e49\u0e07\u0e41\u0e19\u0e27 \u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e30\u0e2d\u0e32\u0e14\u0e14\u0e49\u0e27\u0e22\u0e19\u0e49\u0e33\u0e22\u0e32\u0e06\u0e48\u0e32\u0e40\u0e0a\u0e37\u0e49\u0e2d \u0e41\u0e25\u0e49\u0e27\u0e22\u0e34\u0e07\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e43\u0e2b\u0e21\u0e48\u0e0a\u0e19\u0e34\u0e14 Anti-Fungal \u2014 \u0e22\u0e34\u0e07\u0e17\u0e31\u0e1a\u0e44\u0e21\u0e48\u0e44\u0e14\u0e49\u0e1c\u0e25\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e2a\u0e35\u0e44\u0e2b\u0e19\u0e14\u0e35\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e07\u0e32\u0e19\u0e01\u0e23\u0e2d\u0e1a\u0e2b\u0e19\u0e49\u0e32\u0e15\u0e48\u0e32\u0e07\u0e2a\u0e35\u0e02\u0e32\u0e27?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e2a\u0e35\u0e02\u0e32\u0e27\u0e2b\u0e23\u0e37\u0e2d\u0e2a\u0e35\u0e43\u0e2a\u0e01\u0e47\u0e44\u0e14\u0e49 \u0e2a\u0e34\u0e48\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e01\u0e27\u0e48\u0e32\u0e2a\u0e35\u0e04\u0e37\u0e2d\u0e0a\u0e19\u0e34\u0e14\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19 \u0e15\u0e49\u0e2d\u0e07\u0e40\u0e1b\u0e47\u0e19 Neutral \u0e44\u0e21\u0e48\u0e43\u0e0a\u0e48\u0e41\u0e1a\u0e1a\u0e01\u0e23\u0e14 \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e07\u0e32\u0e19\u0e20\u0e32\u0e22\u0e19\u0e2d\u0e01\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u0e16\u0e49\u0e32\u0e44\u0e21\u0e48\u0e21\u0e31\u0e48\u0e19\u0e43\u0e08 \u0e04\u0e27\u0e23\u0e08\u0e49\u0e32\u0e07\u0e0a\u0e48\u0e32\u0e07\u0e2b\u0e23\u0e37\u0e2d\u0e17\u0e33\u0e40\u0e2d\u0e07\u0e44\u0e14\u0e49?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u0e07\u0e32\u0e19\u0e0b\u0e34\u0e25\u0e34\u0e42\u0e04\u0e19\u0e23\u0e2d\u0e22\u0e40\u0e25\u0e47\u0e01\u0e17\u0e35\u0e48\u0e2b\u0e32\u0e08\u0e38\u0e14\u0e23\u0e31\u0e48\u0e27\u0e40\u0e08\u0e2d\u0e41\u0e25\u0e49\u0e27 \u0e40\u0e08\u0e49\u0e32\u0e02\u0e2d\u0e07\u0e1a\u0e49\u0e32\u0e19\u0e17\u0e33\u0e40\u0e2d\u0e07\u0e44\u0e14\u0e49\u0e16\u0e49\u0e32\u0e17\u0e33\u0e15\u0e32\u0e21\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e16\u0e39\u0e01\u0e15\u0e49\u0e2d\u0e07 \u0e41\u0e15\u0e48\u0e16\u0e49\u0e32\u0e23\u0e31\u0e48\u0e27\u0e0b\u0e36\u0e21\u0e40\u0e1b\u0e47\u0e19\u0e27\u0e07\u0e01\u0e27\u0e49\u0e32\u0e07\u0e2b\u0e23\u0e37\u0e2d\u0e2b\u0e32\u0e08\u0e38\u0e14\u0e23\u0e31\u0e48\u0e27\u0e44\u0e21\u0e48\u0e40\u0e08\u0e2d \u0e41\u0e19\u0e30\u0e19\u0e33\u0e40\u0e23\u0e35\u0e22\u0e01\u0e0a\u0e48\u0e32\u0e07 SGQ \u0e43\u0e2b\u0e49\u0e1a\u0e23\u0e34\u0e01\u0e32\u0e23\u0e15\u0e23\u0e27\u0e08\u0e1b\u0e23\u0e30\u0e40\u0e21\u0e34\u0e19\u0e1f\u0e23\u0e35\u0e43\u0e19\u0e40\u0e02\u0e15\u0e1b\u0e17\u0e38\u0e21\u0e18\u0e32\u0e19\u0e35 \u0e42\u0e17\u0e23 081-885-2629\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\t<div id=\"gap-1598331796\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1598331796 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"max-width:1000px;margin:0 auto 24px;padding:0 20px;\">\n  <div style=\"background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px;padding:28px;\">\n    <h3 style=\"font-size:18px;color:#23345c;font-weight:700;margin:0 0 12px;font-family:'Noto Sans Thai',sans-serif;\">About the Author<\/h3>\n    <p style=\"font-size:16px;color:#4b5563;line-height:1.9;margin:0;font-family:'Noto Sans Thai',sans-serif;\">\n Written and edited by the <strong style=\"color:#23345c;\">SGQ Khlong Sam technician team<\/strong>\nExperienced in many waterproof silicone repair and installation projects across Pathum Thani and Bangkok\nInformation based on real on-site experience and the team\u2019s repair statistics\n| Last updated: May 19, 2026\n    <\/p>\n  <\/div>\n<\/div>\n\n\t<div id=\"gap-1279278505\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1279278505 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\n<div style=\"max-width:1000px;margin:0 auto 48px;padding:0 20px;\">\n  <div style=\"background:#23345c;border-radius:12px;padding:32px;text-align:center;\">\n    <h3 style=\"font-size:20px;color:#fff;font-weight:800;margin:0 0 12px;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udca7 Having water leakage problems? Consult the SGQ team today.\n    <\/h3>\n    <p style=\"font-size:17px;color:#cbd5e0;line-height:1.8;margin:0 0 24px;font-family:'Noto Sans Thai',sans-serif;\">\n SGQ Khlong Sam provides aluminum and glass door and window installation services<br\/>For residential homes \u2014 free leakage point inspection and assessment with no charge\n    <\/p>\n    <div style=\"display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:16px;\">\n      <a href=\"tel:0818852629\" style=\"display:inline-block;background:#fff;color:#23345c;font-weight:700;font-size:16px;padding:12px 22px;border-radius:8px;text-decoration:none;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udcde 081-885-2629 (Products)\n      <\/a>\n      <a href=\"tel:0993921963\" style=\"display:inline-block;background:#fff;color:#23345c;font-weight:700;font-size:16px;padding:12px 22px;border-radius:8px;text-decoration:none;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udcde 099-392-1963 (Installation)\n<a href=\"https:\/\/lin.ee\/Wkn1Ong\" style=\"display:inline-block;background:#36578a;color:#fff;font-weight:700;font-size:16px;padding:12px 22px;border-radius:8px;text-decoration:none;font-family:'Noto Sans Thai',sans-serif;\">\n\ud83d\udcac Line: @sgqklongsam\n<\/a> \n    <\/div>\n    <p style=\"font-size:15px;color:#94a3b8;margin:0;font-family:'Noto Sans Thai',sans-serif;\">\n \ud83d\udccd 19\/60-61 Moo 7, Khlong Sam, Pathum Thani | Open Monday\u2013Saturday, 08:00\u201317:30\n    <\/p>\n  <\/div>\n<\/div>\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<div id=\"gap-2134135923\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-2134135923 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-1925314221\">\n\n\n\t<div id=\"col-249986679\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p data-start=\"92\" data-end=\"133\"><span style=\"color: #23345c; font-size: 20px;\">For Aluminium Contractors &amp; Installers<\/span><\/p>\n<p data-start=\"134\" data-end=\"297\">If you need aluminium profiles, quality glass, premium hardware, custom cutting &amp; fabrication, installation tools, or on-site technical advice,<\/p>\n<p>you can contact us at:<br \/>\u2022 Line : <a href=\"https:\/\/lin.ee\/Wkn1Ong\" target=\"_blank\" rel=\"noopener\">https:\/\/lin.ee\/Wkn1Ong<\/a> <br \/>\u2022 Tel : 081-885-2629<br \/>\u2022 Facebook : <a href=\"https:\/\/www.facebook.com\/profile.php?id=61556175607240\" target=\"_blank\" rel=\"noopener\">Smartglassquality <\/a> <\/p>\n\t<div id=\"gap-667713453\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-667713453 {\n  padding-top: 15px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p data-start=\"92\" data-end=\"133\"><span style=\"color: #23345c; font-size: 20px;\">For Homeowners &amp; Project Owners<\/span><\/p>\n<p data-start=\"134\" data-end=\"297\">If you are looking for aluminium door\u2013window installation, glass works, sliding and swing systems, room partitions, or high-quality materials for home renovation<\/p>\n<p>you can contact us at:<br \/>\u2022 Line : <a href=\"https:\/\/lin.ee\/Wkn1Ong\" target=\"_blank\" rel=\"noopener\">https:\/\/lin.ee\/Wkn1Ong<\/a> <br \/>\u2022 Tel : 099-392-1963 , 097-936-1449<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-413311836\">\n\n\n\t<div id=\"col-65334314\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"gap-519044321\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-519044321 {\n  padding-top: 40px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3519929777\" class=\"text\">\n\t\t\n\n<h3><span style=\"color: #23345c;\">Recommended for You<\/span><\/h3>\n\t\t\n<style>\n#text-3519929777 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-184215431\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-184215431 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n  \n    <div class=\"row large-columns-3 medium-columns-3 small-columns-2 slider row-slider slider-nav-reveal slider-nav-push\"  data-flickity-options='{&quot;imagesLoaded&quot;: true, &quot;groupCells&quot;: &quot;100%&quot;, &quot;dragThreshold&quot; : 5, &quot;cellAlign&quot;: &quot;left&quot;,&quot;wrapAround&quot;: true,&quot;prevNextButtons&quot;: true,&quot;percentPosition&quot;: true,&quot;pageDots&quot;: false, &quot;rightToLeft&quot;: false, &quot;autoPlay&quot; : false}' >\n\n  <div class=\"col post-item\" >\n\t\t\t<div class=\"col-inner\">\n\t\t\t\t<div class=\"box box-normal box-text-bottom box-blog-post has-hover\">\n            \t\t\t\t\t<div class=\"box-image\" >\n  \t\t\t\t\t\t<div class=\"image-cover\" style=\"padding-top:56.25%;\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/smartglassquality.com\/en\/2026\/05\/19\/exterior-waterproof-silicone-guide\/\" class=\"plain\" aria-label=\"Exterior waterproof silicone: find the root cause of the leak first, then seal it with the right type.\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"400\" src=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-application-aluminum-window-sgq-762x400.webp\" class=\"attachment-medium size-medium wp-post-image\" alt=\"Exterior waterproof silicone sealing service for aluminum window frame joints by SGQ in Khlong Sam\" srcset=\"https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-application-aluminum-window-sgq-762x400.webp 762w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-application-aluminum-window-sgq-768x403.webp 768w, https:\/\/smartglassquality.com\/wp-content\/uploads\/2026\/05\/silicone-application-aluminum-window-sgq.webp 1200w\" sizes=\"auto, 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A buying guide for aluminum doors<\/a>\n\t\t\t\t\t<\/h5>\n\t\t\t\t\t\t\t\t\t\t<div class=\"is-divider\"><\/div>\n\t\t\t\t\t                    \n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n<div class=\"row\"  id=\"row-643375802\">\n\n\n\t<div id=\"col-668244500\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n\n<a href=\"https:\/\/smartglassquality.com\/en\/message\/\" target=\"_blank\" class=\"button secondary is-link lowercase\" rel=\"noopener\" style=\"border-radius:99px;\">\n\t\t<span>See All News &amp; Articles<\/span>\n\t<i class=\"icon-angle-right\" aria-hidden=\"true\"><\/i><\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":14447,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104],"tags":[],"class_list":["post-14448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Exterior Waterproof Silicone: Locate the Leak First | SGQ<\/title>\n<meta name=\"description\" content=\"80% of leaks come from failed silicone. Find the leak point, choose the right type, and seal it properly a guide from SGQ Khlong Sam technicians.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/smartglassquality.com\/en\/2026\/05\/19\/exterior-waterproof-silicone-guide\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exterior Waterproof Silicone: Locate the Leak First | SGQ\" \/>\n<meta property=\"og:description\" content=\"80% of leaks come from failed silicone. 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