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Description
135gsm Roofing Membrane is a breathable roof underlay designed to provide secondary weather protection beneath tiles and slates. Supplied in a 1.5m x 50m roll, it helps protect roof structures from wind-driven rain and dust while allowing water vapour to escape.
Commonly used in pitched roofing applications, this membrane supports effective moisture management within the roof space and contributes to the long-term performance of timber roof structures.
Suitable applications
- Pitched tiled and slated roofs
- Timber roof structures and trussed roofs
- New build and refurbishment roofing projects
- Domestic and light commercial roofing
Key features
- 135gsm breathable roofing membrane
- Allows moisture vapour to escape while resisting water ingress
- Provides secondary weather protection beneath roof coverings
- 1.5m wide roll reduces lap joints and installation time
- Supplied in a 1.5m x 50m roll
Application notes
- Lay membrane horizontally with correct overlaps in line with roofing guidance
- Ensure correct orientation according to manufacturer markings
- Fix securely to rafters prior to installing battens
- Seal penetrations and joints where required
- Install in accordance with current building regulations
135gsm Roofing Membrane provides a practical, breathable underlay solution for pitched roofing systems where moisture control and weather protection are essential.
