OSI 1390035 Greenseries Flameseal Fire Smoke & Draft Stop Sealant, 10 Oz, Red

OSI Flameseal Fire, Smoke & 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, 2, and 3 hour 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.

• 1, 2 & 3 hour fire resistance rated
• Seals out fumes, smoke & water
• Fills gaps, cracks & holes
• Residential and commercial fire-stopping applications
• Low voc content qualifies for LEED® points and is GREENGUARD® approved
• Accepts primer and paint unlike silicone-based sealan.
• Flameseal is primarily used fo service penetrations around pipes, vents, ducts, and joints in horizontal and vertical fire separations. Adheres to wood, gypsum board, concrete, steel, copper, cast iron, and other common building materials. Lab tested and compatible with ABS, PVC, CPVC, PP, PE and PB plastic materials. Also compatible with all electrical wiring and telecommunication cables listed in the firestop system designs.
• Use this product only on listed Systems Designs printed in the Underwriters Laboratories and Warnock Hersey fire resistance directories. Not designed to be a waterproof seal.  Do not apply if rain is expected within 24 hours, as exposure to rain, running or standing water or snow before the sealant is fully cured may cause it to washout.  Not recommended for continuous water submersion or use below the waterline.

Free shipping on orders over $35. Usually ships within 24 hours.

Not shipped to AK, AS, AE, AA, AP, GU, HI, PR, VI.

Returns accepted within 30 days by mail. Return shipping is paid by the customer. See our refund policy.