BOSS® 136 Fireblock / Draftstop Sealant

A noncombustible sealant for use as a filler in a non-rated construction where a fire and smoke seal is required.

  • Use for insulating around pipes, cables and blank openings, gaps and cracks
  • Weatherproofs against wind and moisture
  • Can be cut, sanded and painted

This product is listed in the following categories: