FireMaster Mastic is a water-based fill, void or cavity material used in through-penetration seals (firestops) and construction joints as a smoke and weatherproofing seal. Features: Requires no mixing Weatherproof SprayApplications: UL Systems - CAJ1053, CAJ3032 ULC Systems - SP205, SP206, SP223, SP315, JF40Information provided by Thermal Ceramics Data has not been recently verified. Please contact manufacturer for current information. |