Reinforced hydrosafe® high-performance vapour check, suitable for all fibrous insulation materials


  • Best possible protection against moisture damage to structures and mould because this product is humidity-variable with a variation of a factor of over 100
  • Can be combined with all fibrous insulation materials (including blown-in insulation)
  • Permanent protection: officially tested and certified performance (ETA-18/1146)
  • Protected winter building sites thanks to hydrosafe® behaviour
  • Test winner in April 2012 with the German product-testing foundation ‘Stiftung Warentest’
  • Easy to work with: dimensionally stable, no splitting or tear propagation
  • Excellent values in hazardous substance testing, has been tested according to the ISO 16000 evaluation scheme

Areas of application

Vapour check (alternate terms: vapour control or retarder) membrane for use on roofs, walls, ceilings and floors on structures that are open or closed to diffusion on the exterior, e.g. flat/steep roofs and green roofs, after appropriate design calculations have been carried out.

Installation video: Insulation between rafters

Operating principle

Maximum protection against mould and moisture damage to structures

INTELLO membranes work on the principle of climate-controlled membranes: the fleece membranes provide a seal against moisture in winter, whereas the molecular structure becomes more open in summer and facilitates drying out in a reliable manner.

Building projects with INTELLO and INTELLO PLUS