Bostik Insulation Sealant
Shipping calculated at checkout.
Bostik 40-297 Heat Resistant Silicone Sealant is an acetoxy silicone sealant that will accommodate 20% joint movement through a wide service temperature range. It cures rapidly on exposure to atmospheric humidity, to form durable weather-tight seal. Bostik 40-297 Heat Resistant Silicone Sealant adheres to non-porous surfaces. Porous surfaces may require priming prior to application of the sealant.