Highly breathable 3-ply roof underlay polypropylene sheet. Resistant to U.V. rays and to heat, comprising of a special functional membrane sandwiched between two layers of non-woven polyester spunbond and 1 inner “functional” membrane in polyethylene. Box = Roll of 1,50 x 50 m. Single packed in cellophane tape.
Polypropylene and polyethylene with high protection to UV rays.
Used to protect against infiltration of water, air and wind. It guarantees correct breathability, optimizing the insulation features.