New air-open underlay from Klober

A Klober product story
Edited by the Buildingtalk editorial team Oct 1, 2007

Launch by Klober of its BBA approved 'air-open' roofing underlay, Permo Air.

Permo Air has the lowest water vapour resistance (0.08Mn/g) and highest water vapour transmission (2736 g/m2/day) - 13% better than any other product.

With homes becoming more airtight as insulation standards improve, Permo Air enables vapour in the roof space to be removed exceptionally quickly, the best guarantee yet of avoiding roof space condensation.

Hydrophobically treated, it is suitable for cold and warm roofs and has exceptional nail tear resistance.

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