Product Description

Firestop tested for up to 4 hours in accordance with ASTM E 814 (UL 1479) Intumesces (expands with heat) to form a hard char that tightly seals penetrations against flame spread, smoke and toxic gases Thermally conductive: allows unwanted heat build-up to escape Non-flame supporting UL classified (meets code requirements) Re-enterable for new or retrofit installations Easy to install using common trade tools Cut and form to desired shape