SIKASIL 670 FIRE GREY 300ML
Sikasil®-670 Fire is a fire-resistant, neutral-curing silicone sealant designed for sealing joints in fire-rated walls and floors. It offers up to 4 hours of fire resistance, excellent weather durability, and ±35% joint movement capability—ideal for both indoor and outdoor applications in high-performance construction.
✅ Full Description:
Sikasil®-670 Fire is a fire-rated, one-component, moisture-curing, low-modulus elastic silicone sealant. Designed for sealing movement and connection joints in both porous and non-porous substrates, it offers up to 4 hours of fire resistance in accordance with EN 1366-4. This neutral-curing sealant provides excellent weathering resistance and accommodates joint movements up to ±35%, making it ideal for both interior and exterior applications.
⭐ Key Features:
Fire Resistance: Up to 4 hours (EN 1366-4)
Movement Capability: ±35% (ASTM C 719)
Weather Resistance: Excellent durability against weathering and aging
Workability: Easy to apply and smooth
Adhesion: Good adhesion to a wide range of substrates
Curing: Neutral curing, low-odor formulation
Environmental Compliance: LEED v4 EQc 2: Low-Emitting Materials
🧱 Application Areas:
Fire-Rated Joints: Sealing joints in walls, floors, and ceilings
Building Elements: Around fire doors, windows, and curtain walls
Mechanical and Electrical Penetrations: Pipes, ducts, and conduits
Structural Joints: In commercial buildings, hospitals, schools, and residential structures
🔧 Direct Application On:
Concrete
Brickwork
Plasterboard
Metals
Timber
Glass
Ceramics
Plastics