TherMix Chimney Insulation | Chimney Liner Pipe | DuraVent

HomeSaver Insulation Mix is a UL Listed 1777 Zero Clearance insulation for all HomeSaver Relining Pipe. Also use for ULC S635-00 standard. A big plus for HomeSaver InsulationMix is its 45lb. Bag weight consistency. You can depend on your bag calculations.