Cromar Vent 3 Pro Breathable Membrane 1m x 50m Royal Blue Using a 4" brush

Using a 4" brush

it is essential to take proactive measures to maintain consistent and effective airflow throughout the attic

You can further enhance the adhesion by slightly moistening one surface with a damp cloth

Ronseal's Filler allows you to modify it further after it's cured

BMI (Redland) Double Roman

Cromar Vent 3 Pro Breathable Membrane 1m x 50m Royal Blue Using a 4" brushCromar Vent 3 Pro Breathable Membrane 1m x 50m comprises a micro porous polypropylene film surrounded by a 3 layer fabric breather membrane. With its printed light green upper surface and white underside, Vent 3 Pro suits all roofing systems, including tiled, slated, and metal roofs. The membranes high vapour permeability, waterproof nature, and excellent tensile tear strength make Vent 3 Pro an ideal product for use in warm and cold roof