Permavent Apex Breather Membrane, 180g - 1m x 50m - Untaped Autumn Cromar Vent 3 Air High

Cromar Vent 3 Air High Performance Breathable Membrane with a high permeable breather membrane

Position centrally above the wall plates because it's the narrowest part of the roof and is most likely to constrict the airflow of the roof insulation

scratches and general bumps

This can be particularly important during the drying out period of a new build

Compatible with Marley Anglia

Permavent Apex Breather Membrane, 180g - 1m x 50m - Untaped Autumn Cromar Vent 3 Air HighFully Air Permeable APEX air permeability allows moisture to escape through the movement of air to flow through the roof, which eliminates interstitial condensation in pitched roofs. This can be particularly important during the drying out period of a new build. Vapour Permeable Permavent APEX vapour permeability helps to reduce the condensation withing the roof structure, whilst protecting it from the rain and wind outside. Permavent APEX has Sd