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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
Thickness: 130mm
it has a water vapour resistance of 2
which helps reduce condensation issues
Thickness: 35mm
Does the Weather Defence Board come with any certifications
Klober KU0045-1 Permo Air 50mx1.0m (50m2) Blue checklist-Estimated Delivery Time Of 5-7 Working Days Thickness: 130mmPermo air, a low resistance air open underlay. It is the ideal solution where there is a high risk of condensation forming in the roofspace. Being both air open & vapour permeable further minimises the risk of condensation forming, particularly during the drying out period of a building. Product Features & Benefits Lowest vapour resistance of all breathable membranes No ventilation required Hydrophobically treated Type LR underlay Strong 3 layer
