Joe87 Posted January 30, 2023 Share Posted January 30, 2023 Hi, Probably a dumb question, but I plan to screw and glue 11mm OSB boards one on top of the other at 90 degrees angles for a floor. This is the dumb question; I have some contact adhesive left over from the rubber roof construction. Can I use this for the glue part?? Obviously it'll be used to glue the two sets of boards together before being screwed down. No problem if not, I just like to try and use what I have. Thanks for any help Joe Link to comment Share on other sites More sharing options...
markc Posted January 30, 2023 Share Posted January 30, 2023 Contact adhesive is far from ideal but better than nothing. Why two layers of 11mm? The extra work, especially all the extra screws and gluing large areas will be a pain. 1 Link to comment Share on other sites More sharing options...
nod Posted January 30, 2023 Share Posted January 30, 2023 Better glued and ring nailed 1 Link to comment Share on other sites More sharing options...
Iceverge Posted January 30, 2023 Share Posted January 30, 2023 Might be better for wood. 1 Link to comment Share on other sites More sharing options...
Joe87 Posted February 2, 2023 Author Share Posted February 2, 2023 On 30/01/2023 at 20:33, markc said: Contact adhesive is far from ideal but better than nothing. Why two layers of 11mm? The extra work, especially all the extra screws and gluing large areas will be a pain. Its for a garden room. I already have a cement base and was planning on laying a vapour barrier, 100mm insulation (to bring the floor up to the door so there isn't a step) and then two lots of 11mm for strength. That's the plan anyway. I did use some of the glue on two bits of OSB and its stuck solid. Couldn't pull it apart at all, so i think it'll be more then enough for the floor. Would this impact expansion and contraction etc of the wood if they're glued together so solid? Link to comment Share on other sites More sharing options...
markc Posted February 2, 2023 Share Posted February 2, 2023 1 hour ago, Joe87 said: Would this impact expansion and contraction etc of the wood if they're glued together so solid? Nope, OSB is dimensionally stable so almost no movement in any direction Link to comment Share on other sites More sharing options...
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