20 oz. Sausage STI SIL SIL320 Silicone Firestop Sealant, Grey

Description

SpecSeal SIL300 silicone sealant is a high performance silicone firestop sealant tested to resist the passage of smoke, flame and water through construction joints and through-penetrations. SIL300 sealant cures to form a flexible seal and carries a class 1 W rating for water resistance (per ANSI/UL1479).

• Low modulus allows dynamic movement in joints
• Non-halogenated
• Auto bonding allows fresh sealant to adhere to cured sealant
• Excellent water resistance for water-tight sealing, including class 1 W ratings (UL1479)
• Ozone and UV resistant for excellent weathering ability and long service life
• Excellent chemical resistance protects in polluted or corrosive atmospheres
• Excellent adhesion to most building substrates
• Excellent smoke seal
• Neutral cure
• Safe, no asbestos, no PCB's, no inorganic fibers

Full Description & Specs