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it is important to test on natural stone products beforehand as some materials may be very porous
Lead Flashing Clips
Ideal solution for high level ventilation
The Heritage Dry Valley provides a precise
plasterboard
Klober | Permo Air 160gsm I Air Permeable Breather Membrane Size:1m x 50m it is important to testNeed a membrane that ventilates the roof? Why choose anything other than the MOST breathable BBA approved membrane on the market? Dry Verge and Roofline Direct highly recommend the Klober Permo Air (160gsm) for your roof project. With a 10 year manufacturers guarantee, Klober are incredibly confident in this low resistance underlay as the ideal solution for most projects, especially where there is a high risk of condensation forming in the roof space.