- Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479)
- Intumescent firestop and cold smoke seal
- Easily installed – simply wrap, secure and seal
- Re-enterable material saves time and money after installation
One-part, fire-resistive wraps with foil on one side that are designed to firestop penetrations in fire-rated floor, wall and floor/ceiling assemblies. These intumescent wraps provide up to 4 hours of fire protection in tested and listed systems.
Used for "in-hole" firestop installations or in conjunction with 3M™ Fire Barrier RC-1 Restricting Collars. When the wrap is installed "in-hole" in conjunction with a 3M™ Fire Barrier Sealant or Moldable Putty+, it also provides a cold smoke seal, which helps prevent the spread of toxic gases and other combustion by-products even before heat initiates the intumescent process. Available in 2 in. x 24 in. strips (50.8 mm x 609 mm).
- Firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479)
- Intumescent firestop and cold smoke seal
- Easily installed – simply wrap, secure and seal
- Re-enterable material saves time and money after installation
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