Check the listing for details. Reflectix SPW0602508 6" X 25' Spiral Pipe Wrap R8 Double Bubble Insulation. Condition: New. Listed at 6.88 USD. Product Description 6 inch x 25', square edge roll double bubble foil both sides, reflective foil insulation, 5/16 inch thick with two outer layers of aluminum foil, each foil layer is bonded to a touch layer of polyethylene for strength, reflects up to 97% of the radiant heat with an R-value of up to 14.3 depending on application, excellent vapor barrier for below grade installation, class a/class 1 fire rating, approved by boca, icebox, sbcci, ccmc, ftc-compliant, is non-toxic, non-carcinogenic, lightweight & can be installed with scissors, staples & tape, hundreds of applications: wall, roof & basement, garage door, camper, metal or pole barn, window Coverings, stables, hatcheries, etc, sell by linear foot or roll.