Description:
OSI® GreenSeries™ 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. Flameseal® utilizes a special waterborne
technology that is both non-toxic and non-hazardous and cleans up with water.
Recommended Uses:
Used for penetrations in fire rated gypsum wallboard, concrete, concrete block and wood
partition floor & wall assemblies.
Primary sealing applications include CPVC plastic, copper, steel, cast iron and ABS pipes.
Works well for sealing around sprinkler lines/heads up to 4” (100 mm), EMT, conduit and concrete construction joints.
Adheres to wood, drywall, concrete, steel, copper, cast iron, and other common building
materials.
Compatible with ABS, PVC, CPVC, PP, PE and PB plastic material. Also compatible with all
electrical wiring and telecommunication cables. All other substrates should be tested for
compatibility prior to use.
Limitations:
Use this product only on listed Systems Designs printed in the Underwriter Laboratories and Warnock
Hersey fire resistance directories.
Coverage:
For a 10.2 fl. oz. cartridge:
A ¼” (6 mm) bead extrudes approximately 32 ft (9.5 m).
A 3/8” (9.5 mm) bead extrudes approximately 14 ft. (4.26 m).
Directions:
Tools Typically Required:
Utility knife, caulking gun and tool to puncture inner seal of cartridge.
Safety Precautions:
Wear gloves.
Preparation:
The temperature of the sealant, the surfaces and the working area must be above 45°F (7°C) and below 90°F (32°C). Ensure all surfaces are
clean, dry, structurally sound and free of dirt, dust, oil, wax and other foreign materials. Concrete or block walls must be well cured, dry and free
of any release agents. Cut off tip of cartridge at a 45° angle to desired bead size. Puncture inside seal of cartridge.
Application:
General Construction Use:
Apply with a caulking gun or trowel filling all joints, voids and penetrations to correct thickness as required in the tested designs. Tool to a
smooth, neat finish. Provide all temporary forming and packaging as required. Refer to appropriate Agency Fire Resistance Directories for
specific details on installations; or contact the Firestop Hot Line: 1-800-810-1788 for detailed instructions (11:00AM – 7:00 PM EST)
Clean-up:
Clean tools and uncured adhesive residue immediately with warm water and soap. Cured adhesive may be carefully cut away with a sharpedged
tool.
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