OSI 1390035 Fire Smoke and Draft Stop Sealant, Brick Red, 45 to 90 deg F, 10 oz Cartridge

OSI FlameSeal® fire, smoke and draft stop sealant is a non-flammable, latex-based fire stopping sealant. This one component sealant is designed for use in both residential and commercial fire stopping applications. Developed to seal service penetrations and joints in fire separations and firewalls, it prevents the passage of flame, smoke and fumes under actual fire conditions of 1 hr, 2 hr and 3 hr fire resistance rated systems. It improves STC values and upgrades sound quality. OSI FlameSeal® utilizes a special waterborne technology that is both non-flammable and non-hazardous and cleans up easily with water. Cured product is also mold-and mildew-resistant.

Made of limestone with a brick red finish, with applicable materials Cast Iron Copper Gypsum Steel Wood, application method Caulk Gun Trowel, application temperature 45 to 90 deg F.

Application

For service penetrations around pipes, vents, ducts and joints in horizontal and vertical fire separations

• Seals out fumes, smoke and water
• Fills gaps, cracks and holes
• Accepts primer and paint unlike silicone-based sealants
• Cleans up with soap and water

Warranty

Limited Lifetime