Klober Permo Air Breathable Felt

£137.40 ex. VAT
Product code: 2786
Product weight: 14.00 Kg
local_shipping Estimated delivery time: 1-2 Working days
Permo air is the most breathable air open low resistance underlay on the market. It is the ideal solution where there is a high risk of condensation forming in the roofspace.
Permo air is a strong 3 layer product consisting of UV stabilised PP fleece and a high performance Meltblown layer.
Outer surface- dark blue
Inner surface- grey


  • Air open & vapour permeable
  • Over 13% more breathable than any other ‘air open’ underlay on the market
  • Lowest vapour resistance of all breathable membranes
  • Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building
  • No ventilation required
  • BBA and CE certified for cold and warm roof applications
  • Roll Size: 1.5m x 50m
  • Hydrophobically treated
  • Type LR underlay
  • Strong 3 layer material
  • 15 year guarantee
  • Recyclable
  • UV stable for 4 months
  • Batten spacing 350mm
  • Superior nail tear strength