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 is used in mechanical, electrical, and plumbing applications like sealing openings or metallic service penetrations through fire-rated ceiling, floor, or wall.


  • Fire rating up to 4 hours (BS EN 1366-4: 2006)
  • ASTM C920 compliant (+25% movement capability)
  • Excellent weather and UV resistance
  • Excellent adhesion to most substrates
  • Matte finish

Available colours: White, black & grey

Product codeContentCarton Quantaty
24 Cartridges / Carton