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POWERply Air & Vapour Control Layer - TO

CP681 is a torch applied, bituminous vapour control layer which is saturated and coated with high quality SBS (styrene-butadiene-styrene) modified bitumen. It has a 60 g/m² aluminium and glass fleece reinforcement, a thermo-fusible polyethylene film on the underside and is finished on the top surface with quartz sand.

CP681 is designed for use as a premium vapour barrier membrane and is ideal for use as part of a high performance torch-on roofing system. It can be applied to a wide range of non-combustible substrates, including metal and concrete decks, subject to use of a suitable primer as required. The product features an aluminium reinforcement which is resistant to alkali and corrosion.

  • Torch-on application
  • Low temperature flexibility at -18°C
  • Aluminium reinforced
  • SBS modified bitumen
  • Rapid, simple installation
  • Tested as part of a system to achieve Broof Test 4 fire classification as certified by Warrington fire
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