Permavent Max High Performance Breather Membrane - ALL ZONES

£41.99 to £70.60ex VAT
£50.39 to £84.72inc VAT
Estimated delivery: Please get in touch for more accurate delivery times
£41.99 to £70.60ex VAT
£50.39 to £84.72inc VAT



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Product Description

Incorporating advanced technology that results in superior performance, the Permavent breathable membrane is ideal for use in both commercial and domestic properties.  The Permavent Max All Zones product has been kite marked as suitable for roofing and wall requirements. Produced in line with ISO standards, this is a premium breather membrane for roofs that offers a winning combination of durability and effectiveness.

This breather membrane is created using polypropylene layers which surround a hydrophobic film. Using a special manufacturing process, this breather membrane roof option is a single layer, rather than three layers which have been combined. This results in exceptional performance, ensuring that water penetrating the roof doesn’t enter the floor below, at the same time as allowing water vapour to exit upwards. 

As well as the membrane, we can also supply breathable membrane tape and all the other accessories needed to fasten your Permavent membrane securely in position. This product is suitable for use as outlined in BS 5534. 

Suitable for any project where a long-lasting, high-quality breathable membrane is required, the Permavent breathable membrane is a great solution for almost any roof. If you have any queries, our team are here to help.


  • Weight, g/m2 - 150
  • Reaction to fire, class - E
  • Water tightness, class – w1
  • Water vapour transmission (Sd), m – 0.02
  • Maximum tensile force (MD), N/50mm - 350
  • Maximum tensile force (CD), N/50mm - 240
  • Elongation at max. tensile force (MD), % - 70
  • Elongation at max. tensile force (CD), % - 70
  • Resistance to tearing MD (nail shank), N - 140
  • Resistance to tearing CD (nail shank), N - 230


14 Day Money Back Guarantee

We are happy to accept returns, if they are returned within 14 days of being received, and providing item has not been used or opened and is in original condition.

An email MUST be sent before returning your item, a note must be enclosed with the returned item, stating the reason for the return and the name under which the item was purchased.

Faulty Items

All products are individually inspected before being dispatched, to ensure items are sent out in perfect condition. In the unlikely event that your item is faulty, please return it to us within 7 days of receipt in its original condition. Upon inspection, we will be happy to replace or repair where possible, or refund you in full if the item is found to be faulty.

Ratings & Reviews

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good all round breather, great price too