DB+ Reinforced vapour control layer and airtightness membrane

Product Description

DB+ is the original air control barrier. It is a reinforced cellulose-based, humidity-variable vapour control layer and airtightness membrane for protecting insulation in timber frame construction. Made with a high percentage of recycled paper, DB+ is an ecological solution for sealing the building shell with protection in winter and back diffusion in summer.


  • Reinforced air barrier
  • High protection against structural damage and mould
  • High tear resistance
  • Suitable for all fibrous thermal insulation and blown-in insulation
  • Lowest VOC rating in hazardous substance test
  • Contains high percentage of recycled paper



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