Permavent Max High Performance Breather Membrane - ALL ZONES

£39.99 to £67.24ex VAT
£47.99 to £80.69inc VAT
Estimated delivery: 1-2 working days
£39.99 to £67.24ex VAT
£47.99 to £80.69inc VAT



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Product Description

Permavent use the very latest technology from the medical industry to encapsulate the highest grade hydrophobic film inside the very highest quality spunbond polypropylene layers. Unlike other companies, who simply stick the different layers together, our membranes are manufactured in a single process that greatly improves the quality and integrity of our membranes. This 3 in 1 process means that we offer the best performing breather membranes in their class with superior strength, breathability, flexibility and durability.

For use on all types of domestic and commercial roofing and walling applications, including: old non vented  traditional hybrid  coldvented cottish and fully boarded applications

Permavent MAX | ALL ZONES is also fully certified under the CE for use in all types of roofing and walling applications and is only manufactured under the strictest ISO requirements


Suitable for use in all applications. (Wind Zones in the UK for underlays used for specific applications as described in BS 5534)


  • 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