Product description
Everbuild Tecnic Silicone 825 White – Low Modulus Neutral Cure Building Sealant
Get reliable, long-lasting sealing performance with Everbuild Tecnic Silicone 825, a professional-grade low modulus silicone sealant designed for construction, glazing, and external weatherproofing applications.
Formulated with a neutral curing, low odour system, it provides outstanding adhesion to both porous and non-porous surfaces—without the need for priming—making it a go-to choice for trade professionals.
Its flexible, non-slump formula allows for easy application on vertical joints, while extended tooling time makes it ideal for larger jobs and longer joints.
Key Features & Benefits
- Low Modulus Flexibility – Accommodates joint movement without cracking
- Neutral Cure (Low Odour) – Safe for sensitive materials like natural stone and metals
- Excellent Adhesion – Bonds to glass, uPVC, wood, metals, plastics, and masonry
- No Primer Required – Saves time on most substrates
- Weather & UV Resistant – Long-term durability in external environments
- Non-Slump Formula – Clean, controlled application on vertical surfaces
- Extended Tooling Time – Ideal for large-scale construction and glazing work
Ideal Applications
Designed for a wide range of building and construction uses:
- Perimeter sealing around windows and doors
- Expansion and movement joints
- Glazing and curtain wall sealing
- Weatherproofing joints in façades and panels
- Sealing soft metals such as lead, copper, and zinc
- Brick, concrete, and masonry joints
Why Choose Tecnic Silicone 825?
Unlike standard silicones, Tecnic 825 is engineered for construction-grade performance. Its low modulus formulation ensures flexibility where movement occurs, while its neutral cure system prevents damage to sensitive materials.
Perfect for both internal and external use, it delivers a professional, long-lasting seal across a wide range of substrates—making it a reliable all-rounder for glazing, roofing, and building applications.