{"id":260,"date":"2026-05-12T08:54:14","date_gmt":"2026-05-12T05:54:14","guid":{"rendered":"https:\/\/allthingsaluminium.co.ke\/news\/?p=260"},"modified":"2026-05-12T09:04:18","modified_gmt":"2026-05-12T06:04:18","slug":"what-is-structural-silicone-and-why-every-glass-installation-in-kenya-needs-it","status":"publish","type":"post","link":"https:\/\/allthingsaluminium.co.ke\/news\/2026\/05\/12\/what-is-structural-silicone-and-why-every-glass-installation-in-kenya-needs-it\/","title":{"rendered":"What is Structural Silicone and Why Every Glass Installation in Kenya Needs It"},"content":{"rendered":"\n

By All Things Aluminium and Glass (ATAG) | Nakuru, Kenya<\/strong><\/p>\n\n\n\n

\n\n\n\n

You’ve chosen the glass. You’ve chosen the frame. But there’s one product that holds everything together , literally. Structural silicone is the unsung hero of every quality glass installation in Kenya, and most homeowners and contractors don’t give it nearly enough thought. In this guide, we explain exactly what it is, why it matters, and why skipping it \u2014 or buying the wrong kind \u2014 is a costly mistake.<\/em><\/p>\n\n\n\n

\n\n\n\n

What is Structural Silicone?<\/h2>\n\n\n\n

Structural silicone is a high-performance adhesive sealant specifically engineered to bond glass panels to aluminium frames, metal structures, and building facades. Unlike standard household silicone \u2014 which is used for basic waterproofing around sinks and bathrooms \u2014 structural silicone is formulated to carry actual load. It bonds glass to its supporting frame with enough strength to resist wind pressure, thermal expansion, vibration, and the daily stresses of a building in use.<\/p>\n\n\n\n

In modern construction, structural silicone is what makes frameless glass installations, curtain wall fa\u00e7ades, shopfronts, and large glass panels possible. Without it, the only way to hold glass in place is with mechanical fasteners \u2014 clamps, bolts, and visible fixings that break the clean, seamless look that modern architecture demands. Structural silicone eliminates all of that, bonding glass invisibly and permanently to its frame.<\/p>\n\n\n\n

\n\n\n\n

Why Kenya’s Climate Makes It Essential<\/h2>\n\n\n\n

Kenya’s construction environment is harder on building materials than most people realise. Coastal areas like Mombasa deal with high humidity and salt air. The Rift Valley and Nairobi experience intense UV radiation and significant temperature swings between day and night. Nakuru and the highlands face seasonal rains that put constant pressure on seals and joints.<\/p>\n\n\n\n

Standard silicone degrades quickly under these conditions \u2014 it shrinks, cracks, loses adhesion, and allows water infiltration. Structural silicone is specifically formulated to resist UV radiation, temperature extremes, moisture, and aging \u2014 maintaining its bond and flexibility for decades without deteriorating. For any glass installation in Kenya that is meant to last, structural silicone is not optional. It is essential.<\/p>\n\n\n\n

\n\n\n\n

Where Structural Silicone is Used<\/h2>\n\n\n\n

Structural silicone is required in virtually every glass installation beyond a basic putty-set window. The most common applications in Kenya include:<\/p>\n\n\n\n

Curtain wall fa\u00e7ades<\/strong> \u2014 the large glass building skins you see on modern commercial buildings in Nairobi, Nakuru, and across Kenya. Structural silicone holds every glass panel to the aluminium subframe, resisting wind loads and keeping the fa\u00e7ade weathertight.<\/p>\n\n\n\n

Frameless glass systems<\/strong> \u2014 shower cubicles, glass partitions, frameless doors, and glass balustrades all rely on structural silicone to bond glass to minimal hardware without visible mechanical fixings.<\/p>\n\n\n\n

Shopfronts and office entrances<\/strong> \u2014 large glass panels in commercial entrances need structural silicone to bond securely to the aluminium frame and withstand the daily vibration of high-traffic doors.<\/p>\n\n\n\n

Aluminium windows and doors with glass inserts<\/strong> \u2014 even standard residential windows benefit from structural silicone at the glass-to-frame joint, providing a weathertight, long-lasting seal that putty alone cannot match.<\/p>\n\n\n\n

\n\n\n\n

Structural Silicone vs Regular Silicone \u2014 Know the Difference<\/h2>\n\n\n\n

This is where many Kenyan contractors and homeowners make an expensive mistake. Not all silicone is the same \u2014 and using the wrong type in a structural application will result in glass that fails its bond, leaks water, and may eventually become a safety hazard.<\/p>\n\n\n\n

<\/th>Structural Silicone<\/strong><\/th>Standard Silicone<\/strong><\/th><\/tr><\/thead>
Purpose<\/strong><\/td>Bonding & load-bearing<\/td>Sealing & waterproofing<\/td><\/tr>
Strength<\/strong><\/td>High tensile & shear strength<\/td>Low structural strength<\/td><\/tr>
UV resistance<\/strong><\/td>Excellent \u2014 decades<\/td>Poor \u2014 degrades in 2\u20135 years<\/td><\/tr>
Temperature range<\/strong><\/td>Very wide<\/td>Moderate<\/td><\/tr>
Flexibility<\/strong><\/td>Remains flexible permanently<\/td>Hardens and cracks over time<\/td><\/tr>
Best for<\/strong><\/td>Glass facades, curtain walls, frameless glass<\/td>Bathroom seals, kitchen joints<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

At ATAG, we stock and use Structural Silicone<\/strong> \u2014 a quality neutral-cure structural silicone available in multiple colours, at KSh 500 per <\/strong>piece. <\/p>\n\n\n\n

\n\n\n\n

5 Signs Your Glass Installation Used the Wrong Silicone<\/h2>\n\n\n\n

Watch out for these warning signs that sub-standard or wrong silicone was used in your glass installation:<\/p>\n\n\n\n

    \n
  1. Yellowing or discolouration<\/strong> around the glass edges within 1\u20132 years<\/li>\n\n\n\n
  2. Gaps or cracking<\/strong> in the silicone joint \u2014 especially after the first rainy season<\/li>\n\n\n\n
  3. Water leaking<\/strong> around window or glass panel edges during rain<\/li>\n\n\n\n
  4. Glass movement<\/strong> or rattling in the frame \u2014 the bond has failed<\/li>\n\n\n\n
  5. Peeling silicone<\/strong> pulling away from either the glass or the frame<\/li>\n<\/ol>\n\n\n\n

    If you notice any of these, contact ATAG immediately \u2014 early intervention is far cheaper than glass replacement.<\/p>\n\n\n\n

    \n\n\n\n

    Why Choose ATAG for Your Structural Silicone Needs<\/h2>\n\n\n\n

    At All Things Aluminium and Glass<\/strong>, we supply quality structural silicone alongside all our glass and aluminium products \u2014 and our installation team uses it correctly on every project we complete. Whether you are a homeowner, a contractor sourcing materials, or a developer managing a large commercial build, we have the product and the expertise you need.<\/p>\n\n\n\n

    Structural Silicone \u2014 available now at ATAG:<\/strong><\/p>\n\n\n\n