How To Install Breathable Roof Membrane

They will be able to offer help and advice.

How to install breathable roof membrane.

You would usually use them within external wall and roof structures in which the exterior cladding may not be completely water tight or moisture resistant such as in tiled roofs or framed wall constructions. They work by allowing insulated structures to easily release excess moisture vapour into the atmosphere. When installing clay or other tiles vertically on a timber frame a breathable or vapour permeable membrane is used to prevent moisture snow and wind from penetrating into the frame. Timber frame breather membranes have been manufactured specifically for application onto timber frame buildings they are lighter and thinner than a normal breather membrane allowing for easy installation vertically as well as horizontally meaning that they are suitable for both walls and roofs.

Breather membranes or breathable membranes can be used to keep the internal components of wall and roof structures dry. This permeable layer also assists in ventilating the structure avoiding the build up of condensation. Bs5250 clause 8 4 1 1 3 recognises two types of underlay with breather membranes being defined as type lr breathable underlay has a water vapour resistance of less than or equal to 0. Breather membranes otherwise known as breathable membranes are used within external wall and roof constructions in order to prevent damp in buildings.

For any questions regarding the most suitable breather membrane for your project or queries on how to install it feel free to contact the team on 0800 124 4431 or use the live chat. See our online range of breathable roofing membrane here.