Thanks LLWillysfan,
I think I’ll also put the insulation directly under the slab and gravel under that with a 6 mil vapor barrier in between. Do you think the thickens slab edge is overkill? I’ve talked to a couple other people who have done 18” deep by 18 wide.
Here is my proposed foundation section. 2" underslab insulation under the entire building that continues under the thickened edge and out 4' past the wall. I'll break the slab and edge at the interior wall between heated and unheated and put 2" rigid between the slab edges. This should bring the...
Thanks Everyone,
I feel more comfortable now that some people have this and haven't had issues.
Does anyone have a shop that is partially heated and partial cold storage? How did you or did you thermally break the slab between the heated and not heated portions?
That's good to hear! How deep and wide were the slab edges? I'm thinking 24" deep x 18" wide. Did you use rebar for the foundation and to tie into the slab and the WWF from there?
Hi All,
I'm frantically planning to build a 30x40 stick built garage before winter hits. I talked to a concrete contractor about getting me on his schedule and I'm locked in, but he thinks we can just do a reinforced concrete slab with thickened slab edges. Has anyone else done something like...