Techno Rubber Company - Waterproofing Systems

Roof Vent with Cap

This vent is designed to allow moisture to escape from un-ventilated flat roof voids in typical  cold roof build ups,  with mineral wool insulation on ceilings.

We recommend 1 vent per 25m2. A throughflow of air is required.

Recommended installation.

  • Cut 50mm aperture in roof deck to allow moisture to escape.
  • Install membrane and cut aperture in rubber.
  • Mechanically fix vent with screws
  • Seal vent with primer and 9” tape

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