Vapour barrier with 3 layers. Composed of 1 layer in Aluminium and 1 membrane with function of vapour barrier+ 1 reinforcement layer. Roll of 1,50 x 50m. Single packed in cellophane tape.
Used to reduce the vapour passage to an optimal level, while avoiding any potential humidity and condensation damage and guarantees the insulation efficient. It protects against infiltration of water, air and wind.