thusha Posted October 2, 2021 Share Posted October 2, 2021 Our builder told us he used glue to attach treated wood over flat GPR garage roof in order to extend our pitched porch roof over front of garage (he built the frame in wood and glued it over the GPR flat roof before tiling over the frame). Is this acceptable, to use glue to attach wood to flat GPR roof? My concern is that glue in not strong enough to attach the wood frame (for pitched roof) over the GPR flat roof (garage) and our new pitched porch roof would fly away in a storm from the glue giving away Link to comment Share on other sites More sharing options...
markc Posted October 2, 2021 Share Posted October 2, 2021 Depends what was used as “glue” most wood glues require close contact in the joint and do not perform well as filler adhesives (GRP is never flat and true). Link to comment Share on other sites More sharing options...
SteamyTea Posted October 3, 2021 Share Posted October 3, 2021 Change the word glue to advanced polymer adhesive and it sounds ok. As @markc says, depends on the glue and the size and quality of the mating parts. 1 Link to comment Share on other sites More sharing options...
thusha Posted October 7, 2021 Author Share Posted October 7, 2021 Builder confirmed it is CT1 adhesive. Is this fine? Link to comment Share on other sites More sharing options...
SteamyTea Posted October 7, 2021 Share Posted October 7, 2021 2 hours ago, thusha said: Builder confirmed it is CT1 adhesive. Is this fine? Ask @pocster, he has views on CT1. Link to comment Share on other sites More sharing options...
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