PERFORATED Film is an economical,glass-fibre reinforced, perforated membrane designed for use as a preparation/ventilated layer in torch-on roofing system, the membrane is loose-laid and then secured during application of the following torched applied underlay. The inclusion of this membrane is suitable for both new build and refurbishment applications. It is an environmentally friendly material with excellent performance and economy characteristics, and it can be applied to a wide range of substrates.
- 40 mm diameter perforations at 120mm centres
- Provides moisture dispersion and ventilation
- High durability in built up roofing systems
- Compatibility with most Torch-On materials