Dave Jones Posted November 30, 2022 Share Posted November 30, 2022 On 27/11/2022 at 10:24, GreenGables said: Sorry I’ve no idea what they used. It’s a GRP roof which has been built up in layers. It does look pretty waterproof at least. id want to know that, its critical part of a warm roof build up. Often skipped by most who are ignorant of the requirement. A detail that if not done properly you will be posting on here in 12-18 months asking why mushrooms are growing in your new roof. Link to comment Share on other sites More sharing options...
GreenGables Posted November 30, 2022 Author Share Posted November 30, 2022 Thanks for your advice Dave. You’re right! We need to know what’s got in to the rest of the flat roofs. I’ve asked the question. Link to comment Share on other sites More sharing options...
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