50m x 1m Rolls: UltraPerm Breathable Felt for Walls and Roof
Universal breathable roofing underlay for all pitched roof designs and wall applications. Fully compliant to BS 5534:2014 + A1:2015
Powerlon UltraPerm is a range of high performance breathable underlays for all pitched roof designs and wall applications (timber frame). It is tough, durable and tear resistant with exceptional water vapour permeability and hydrophobic (water repellent) characteristics.
The BBA certified Powerlon UltraPerm range is fully tested to the latest BS 5534:2014 + A1:2015 zones 1-5.
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