Fire Retardant Silicone Sealant

ALSEAL Fire Retardant Silicone Sealant is a single-component, gun-grade, ready-to-use neutral silicone sealant formulated to form an elastomeric fire retardant seal in construction applications. It helps control the spread of fire, smoke and toxic fumes within a given area surrounded by firewalls for a period of up to four hours, depending on joint configuration.

Recommended for firestop sealing of interior and exterior building and construction movement joints or openings, where a fire rating of up to 4 hours is required. In addition, it can be used to seal fire retardant metal facade cladding, and mechanical, electrical, and plumbing applications like sealing openings or service penetrations through fire-rated ceiling, floor, or wall.


Fire rating up to 4 hours (BS EN 1366-4: 2006)
ASTM C920 compliant
±50% movement capability
Excellent weather and UV resistance
Excellent adhesion to most substrates
Matte finish


Matt Grey & Matt Black


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