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faom plastic insulation

  1. Blazer

    Tested through-penetration firestop system also a foam plastic insulation?

    My concern is for the penetration firestop foam known as 3M Fire Barrier Rated Foam FIP 1-Step. The product was tested per ASTM E 814/UL 1479 to afford itself 13 UL listings. This product then must be installed as tested according to 714.4.1.2 and 715.5.1.2. This product is a two part liquid...
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