I want to pour a 40ft x 40ft slab for my shop. The slab is not supporting the structure. Is a 4 inch slab enough to park a truck and tractor on or should I go 6 inch thick? I’m getting mixed suggestions from contractors.
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4” is enough for a light F150 or something but I wouldn’t put a tractor on it. It’s never cheaper than right now to do it right. Go with 6”.Last edited by JakeGraves; 01-11-2019, 05:32 AM.
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Go with the thicker ( buy once, cry once ) type of deal. Just one less thing to worry about.
The only other suggestion is, think about this really hard for what may happen down the road. Will you wish you would have ran water to it for washing the truck? Will you wish you had some kind of cover for the tractor to get it out of the weather? a 40 x 40 will catch a lot of water, have you thought about which way to slope it to get the water to drain away from everything.
Just a few things a lot of people don't think about. You may have already thought of them, but if not.........
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Originally posted by Palmetto View PostMy 12 yr old pole barn slab is 4" thick with 1/2" bars on 12" centers. I have had 1 ton trucks, 100hp tractors, backhoes, and tandem axle dump trucks on mine. No problems.
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for the record, that was ****empty dump trucks!!!*****
My 12 yr old 30x40 pole barn slab is 4" thick with 1/2" bars on 12" centers, no beams at all. One great big monolithic type slab. I scraped the grass off, leveled with sand, layed plastic, tied rebar, and poured.
If I did it over again, I would do it differently. Perimeter beams, & atleast internal beams @ 15x20. I would also saw cut expansion joints. But....I was younger, and poorer. Did what I could with what I had, and it has worked fine for me.
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