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The 3M FB-FOAM-ORANGE_12OZ Firestop Block Foam is a 12-ounce aerosol can of polyurethane intumescent foam. It is heat resistant up to 240°F (115°C) and expands to quickly and effectively seal openings. Suitable for residential Type-V and commercial non-rated construction.
This firestop block foam is ready-to-use, tack-free in approximately 5 minutes, and provides a thermal insulation R-Value of 4 to 5 per inch.
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