• Intumescent putty pads with dimensions of seven inches by seven inches by one eighth of an inch are made to seal areas surrounding electrical boxes. This sealing works to keep the hourly integrity of walls that have a fire rating. Such walls limit how flame, smoke as well as poisonous gases pass through them. For gypsum fire-rated wall systems that have one and two-hour ratings, this product has UL Classification.
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    UL Firestop Putty Pads

    Price range: $37.00 through $110.00