Russdl Posted Tuesday at 18:25 Share Posted Tuesday at 18:25 After going to the effort and expense of insulating the slab, walls, roof and door I had to do something about the transition from outside to inside the garage. Garage slabs normally extend beyond the door creating a big thermal bridge that I didn't want. What I decided to do was use some GRP box section to thermally break the inside from the outside. It's early days but it seems to work well and it hasn't fallen to pieces with cars driving over it yet, which is a bonus. I may be on to a winner. To start with I resin anchored some threaded bar into the slab and then bolted the GRP to the slab. I then rammed some left over foam glass into the gap underneath the box section for added support. I also used GRP angle as a 'stop' for the EWI on the returns to the door and the door head. I'd filled the box section with left over insulation and finished it off with expanding foam, added some left over mesh, shuttered it and made myself a concrete entry ramp. A quick lick of paint finished it off and it all largely seemed to go to plan as well. Here's hoping it stands the test of time. 3 Link to comment Share on other sites More sharing options...
Roger440 Posted Wednesday at 20:58 Share Posted Wednesday at 20:58 Interesting approach (get it!!) I failed to come up with a solution on the garage i built at my first house, and so had that big thermal bridge. Was never happy with that. 1 Link to comment Share on other sites More sharing options...
Russdl Posted Wednesday at 22:16 Author Share Posted Wednesday at 22:16 Solving that thermal bridge was a big concern of mine in the very protracted thinking stages and once I had (well, I think I have, happy for contrary feedback) it drove everything else and I went a bit nuts on the rest of the plan. Hence the insulated slab, walls, roof and door. Hopefully it’ll stand the test of time - if we get a proper winter I’ll report back. Link to comment Share on other sites More sharing options...
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