High vapour permeability and superior water resistant performance Lightweight and flexible 112gsm BBA certified roof underlay. EasyTrim Master Breather Membrane offers good tensile tear strength and value for money. Suitable for both fully supported and unsupported installations in tiled or slate pitch roofs. The Master 112 is a type LR vapourpermeable 3layer micro porous breather membrane which features a microporous film that is thermally bonded between two spunbonded polypropylene layers. Allows the roof to breathe so eliminates condensation whilst providing secondary protection against rainwater ingress. EasyTrim breather membranes improve energy efficiency and minimise the wind uplift that can loosen slates and tiles. Features & Benefits Protects roof slate and tile reduces wind uplift Reduces condensation in roof highly vapour permeable Driven rain and snow protection second line of defence Highly versatile use on warm cold and hybrid roofs Flexible yet...