Media Category: Product Photos
AST (asphaltic) and MST (100% acrylic) precompressed, self-expanding sealant tapes are a durable alternative to spray foam and lightweight closed cell foam gaskets for numerous DIY applications. AST and MST are available from the following retail partners:
MST self-expanding, precompressed window and door sealant tape comes is numerous sizes. Both the thickness of the tape and the width can be chosen. Thickness is chosen based on rough opening. Width is chosen based on the desired level of sealing. The wider the tape the better the insulation