Cromar VENT3® Classic Breathable Membrane 1m x 50m (50m2 roll) pickup Permo Forte 145 can be

Permo Forte 145 can be installed in both unsupported and fully supported applications

fully wind tunnel tested in-line vent

For standard installation of a single roof window into a plain tile roof

Hawkins is a traditional brand with over 150 years of heritage associated with its brand

Manmade or natural slates

Cromar VENT3® Classic Breathable Membrane 1m x 50m (50m2 roll) pickup Permo Forte 145 can beDelivery: IN STOCK. NEXT DAY (if ordered before 13: 00) Key Features: Width: 1mtr Length: 50mtr Coverage: 50m2 Weight: 115 g m2 Use: A breathable roof underlay for cold and warm roof applications Description: A breathable roof underlay for cold and warm roof applications Vent3 Classic is a triple layer fabric, high performance breather membrane, made from high tensile spun bonded polypropylene layers, around a micro porous polypropylene film. Designed