Building membrane for insulated roof and wall structures

Diffusion-resistant building membrane

For insulated roof and wall structures, diffusion-resistant building membrane plays an important role. Its task is to prevent warm indoor fumes from reaching the insulation and the colder sheet facade, where it would condense and create moisture problems.

Diffusion-resistant building membrane also protects against unwanted moisture entering the building.

Borga’s diffusion-resistant building membrane is:

  • Extremely light
  • Durable
  • Watertight
  • Fast and simple to install
  • Recyclable
Roll dimensions 2.0×50 m (100 m2)
Weight 140 g/m2
Thickness 0.20 mm +/-30%

borga_building_components_reinforced_membrane_productReinforced foil/condensation protection

Borga’s reinforced foil is a fabric made of HD polyethylene that has been laminated on one side with LD polyethylene. The foil has a composite structure to cope with high demands for water-tightness during construction.

The reinforced foil is also approved as a safety membrane (stepping through protection), and provides good protection for scaffolding against bad weather. It also improves safety and prevents moisture problems in exposed wall structures.

Roll dimensions 2.73×50 m (136.5 m2)
Weight 135 g/m2
Thickness 0.18 mm


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