UK Wind Zone Map
Powerlon UltraPerm Product Selector


Select the appropriate UltraPerm Breather Membrane conforming to BS5534:2014+A1:2015
Enter the town or postcode and click find. A marker appears on the map which can be dragged

UltraPerm grades conforming to BS5534:2014+A1:2015 suitable for your roof in Zone

The following products are based on a standard roof construction using a 'well-sealed ceiling' in conjunction with BS 9250
Visit our website for more information on the products available here

For more information on our breather membranes click here, for our full range of roofing and building products click here

Please contact our building team, Kim, Marisa or Caroline on 01347 825200 or email us on