Klober Permo Air is a breathable, air open and low resistance underlay. The Permo Air Breather Membrane requires no ventilation, allowing for 75m² coverage when used on a roof space and is the perfect solution where roof spaces are at risk of high condensation. An air permeable...Read More
Klober Permo Air is a breathable, air open and low resistance underlay. The Permo Air Breather Membrane requires no ventilation, allowing for 75m² coverage when used on a roof space and is the perfect solution where roof spaces are at risk of high condensation.
An air permeable membrane allows air and water vapour to pass through the membrane, meaning additional ventilation is not always needed. It can also reduce the build-up of condensation within the structure of the roof.
When installing Permo Air Breathable Membranes, you should lay them out as detailed in the BBA approved certification.
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Question:
- could this be used on an internal wall of an outside office - instead of using the - Klober Wallint 50 Air Barrier & Vapour Control Layer - 50m x 1.5m Roll - and therefore not leave an air gap before cladding the room. So thermafleece wool insultation, with the Klober Permo Air Permeable Breather Membrane straight on top, no gap and the wood cladding straight on top of that. Or is it just for ceilings.
Answer:
This is a breather membrane so should always be placed on the cold side of the insulation, you'd still be expected to leave a rough 25mm air gap so that the risk of condensation build up is lessened.
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