Permo® light

Permo® light is a strong 3-layer vapour permeable roofing underlay suitable for warm and cold pitched roofs. Allows the roof structure to breathe, weathertight.

KU0043-04-1  |  50 x 1.5m (75m2)  |  10.9kg
KU0043-04-05-1  |  50 x 1.1m (55m2)  |  8.0kg

  • BBA, IAB and CE approved for cold and warm roofs 
  • Hydrophobically treated
  • Limits air leakage in a sealed roof application

Strong laminated sheet material, with outer layers of polypropylene, and an inner layer of microporus polyethylene film

  • BBA cold
  • BBA warm
  • DOP
  • COSSHH
  • Counterbattens only required on fully supported applications

UK Wind Zone Guide

  • Zones 1-3 at maximum overlap batten gauge 
  • All zones with Permo TR plus tape