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 roof space. It is a low resistance air-open roof underlay, suitable for pitched roofs. Permo Air roof membrane is BBA approved and NHBC accepted without the need for additional high-level ventilation, saving time and cost. Area of application Suitable for Cold and Warm Roofs. Wind zones 1-3 with battened headlap. All wind zones with taped headlap. Key Features Air and vapour permeable. BBA & NHBC approved for needing no additional high level ventilation, saving time and cost. Assists during the drying out period and helps with the ventilation on complex roofs. Strong 3 layer recyclable fleece. All products supplied by Klober are covered by its 10 year guarantee.
Checkout happens on the official store. This page mirrors catalog facts in plain HTML for direct reading and crawlability.
