2x 25' lengths. 50' total. 4 inches wide
4 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,