Manufactures mechanical, industrial, and commercial insulation; including TRYMER(R) polyisocyanurate insulation, TRYMER(R) Supercel phenolic insulation, aluminum and stainless steel jacketing, sheets and elbows for the protection of industrial pipe insulation. ITW Insulation Systems also markets and distributes SARAN(TM) CX Vapor Retarder Film and Tape, as well as stainless steel and aluminum strapping and seals, and installation tools.