Powerlon UltraPerm Premium Vapour Permeable Roofing Felt - 50m x 1m

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Product Description

Powerlon UltraPerm is a high-performance underlay for all roof types and walls in timber frame structures. UltraPerm membranes can be used on warm and cold, supported and unsupported, ventilated and unventilated roofs. Ultra-Perm is a non-woven composite membrane with exceptional water vapour transmission, hydrophobic (water repellent) characteristics and good UV stability.

Grade : 135gsm.


  • Pitched roofing felt.
  • Breather wall protection.


  • UltraPerm Premium 135gsm.
  • Premium grade breather membrane & roof felt.
  • BBA certified for roofing and timber frame / SIP wall applications.
  • CE marking.
  • Suitable for all pitched roof designs, including un/ventilated, warm and cold, un/supported.
  • Exceptional water resistance.
  • Excellent nail tear resistance and tensile strengths.
  • Pre-printed marking lines.
  • Smartphone app provides performance data for BS 5534 compliance.
  • Available in 1.0m x 50m and 1.5m x 50m rolls.


WIDTH 1000mm LENGTH 50m


Permeability Vapour Permeable Roll Size 50m2

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Questions & Answers


Can I use this product under shingles on a wooden cabin roof?


Yes this would do the job as a breathable underfelt for cedar shingles.


Can I use this for a shed roof and not need to put anything else on top of it?


I am afraid not, this is for use as a breathable felt layer under tiles or slates. If you are after a shed felt you can find suitable products by copying the following link into your address bar...https://www.roofingsuperstore.co.uk/browse/pitched-roofing/shed-felt-1.html

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Powerlon UltraPerm Premium Vapour Permeable Roofing Felt - 50m x 1m

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