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Ensure your roof underlayment lasts the liftime of your roof by shopping the best roof membranes from the trade's leading brands.

Breathable roof membrane is available from Cromar, DuPont, APEX and WonderBUILDS. All of our breathable roofing felt is completely waterproof, as well as durable, strong, and flexible. For the best protection from the elements, consider Cromar Vent, a roof membrane with extemely high tensile strengh.

For non breather membrane, choose between Cromar and Klober. Whatever your project or BS5534:2014 wind zone, you'll find high performing membranes at the right price. Be sure to select the right length, width and desired gsm (grams per square inch).