Roll: 1m x 50m
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Permavent DRY is a super absorbent fleece and is designed to cope with the movement of condensation through the home at different times of the day. It can retain high level of condensation at peak times and slowly release it throughout the day. Permavent DRY is guaranteed to maintain its integrity for 40 years and it is an essential element in Permavent Easy Slate/Plain Easy roof 40 year guarantee.