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