DEI Application Roller 50218; Boom Mat Roller, 2 in., Wood/Rubber. Cool Tape is a flexible and super strong self-adhesive thermal insulating tape capable of protecting up to 2000F of radiant heat. Made of one mil aluminized material bonded to a woven glass fiber heat resistant matting, Cool Tape is a ultra light weight heat reflective solution for wrapping wires, cables, hoses, fuel lines, covering seams and many other uses.