Product description
Everbuild Tecnic Silicone 825 Buff – Low Modulus Neutral Cure Sealant for Brick & Stone
Get a professional finish on external joints with Everbuild Tecnic Silicone 825 Buff, a high-performance low modulus silicone sealant designed for construction, glazing, and weatherproofing applications.
Formulated with a neutral cure, low odour system, it provides outstanding adhesion to both porous and non-porous surfaces without the need for priming—making it ideal for use on brick, stone, concrete, metals, and uPVC.
Its flexible formulation allows for movement without cracking, while extended tooling time makes it perfect for larger joints and detailed finishing work.
Key Features & Benefits
- Low Modulus Flexibility – Accommodates joint movement without failure
- Neutral Cure (Low Odour) – Safe for sensitive materials like natural stone and metals
- Excellent Adhesion – Bonds to brick, stone, glass, metals, plastics, and timber
- No Primer Required – Fast application on most surfaces
- Weather & UV Resistant – Long-term durability in external environments
- Non-Slump Formula – Ideal for vertical joints and clean finishes
- Extended Tooling Time – Perfect for larger construction jobs
Ideal Applications
Perfect for a wide range of building and roofing uses:
- Perimeter sealing around windows and doors
- Expansion joints in brick, stone, and concrete
- Weatherproof sealing on façades and panels
- Sealing soft metals such as lead, copper, and zinc
- Glazing, curtain walling, and cladding joints
Why Choose Tecnic Silicone 825 Buff?
Unlike standard silicones, this product is designed for construction-grade performance with aesthetic finish in mind. The buff colour blends seamlessly with brickwork and stone, making it ideal for visible external joints.
Its neutral cure system and flexibility ensure a long-lasting seal that won’t damage substrates or fail under movement—making it a trusted choice for both trade professionals and DIY users.