Green Building Forum - Can we use wall breather membrane as roof underlay? Fri, 08 May 2026 21:14:32 +0100 https://www.greenbuildingforum.co.uk/newforum/ Lussumo Vanilla 1.0.3 Can we use wall breather membrane as roof underlay? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181037#Comment_181037 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181037#Comment_181037 Thu, 01 Aug 2013 10:03:06 +0100 Shevek
Could we, for instance, get Tyvek Supro Breather Membrane for our walls and use it on the roof.
http://www.travisperkins.co.uk/p/tyvek-supro-breather-membrane-15m-x-50m/984785/3893480

Or should we get some Solitex Plus, for instance, for the pitched roof?
http://www.travisperkins.co.uk/p/solitex-plus-500mm-x-50m-roll-coverage-25m2/788566/3893480

I don't see that there's any difference...?]]> Can we use wall breather membrane as roof underlay? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181052#Comment_181052 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181052#Comment_181052 Thu, 01 Aug 2013 11:52:59 +0100 Graeme Berry
wall membrane on on a roof however is a definite no i'm afraid, building control would have kittens, and technically it's not wise either.]]> Can we use wall breather membrane as roof underlay? https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181056#Comment_181056 https://www.greenbuildingforum.co.uk/newforum/comments.php?DiscussionID=10956&Focus=181056#Comment_181056 Thu, 01 Aug 2013 12:19:49 +0100 Shevek