- Product Type:Structural Sealant, Sealant
- Application Area:Joints
- Compatible Substrates & Surfaces:Polyurethane (PU) Foam, Glass, Polystyrene (PS) Foam
- Application Method:Trowel
- Features:Good Weather Fastness, Vapor Barrier, Water Resistant
Foster® FOAMSEAL™ 30-45N SEALANT is a gray vapor barrier sealant formulated for use with rigid thermal insulation, including polystyrene foam. This product maintains flexibility in joints and does not shrink or crack through repeated cycles of high and low temperatures.