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Thin concrete floor in shed?
Posted on 5/11/25 at 10:03 pm
Posted on 5/11/25 at 10:03 pm
In our new house there’s a medium sized shed in the backyard. Probably 4 times the size of my current one which is great. It has a plywood sub floor and torn to shite vinyl sheet over that.
Would love to rip up the vinyl and do some thin concrete layer over that. How thin could I do one? Could I use some self floor leveler and call it a day? Just curious the easiest way to do this. If I need >1” of concrete I probably can’t do it as I don’t want to sacrifice much head height or create a step.
Eventually I hope to pour a true slab at the exterior of the shed so I can roll stuff out of the shed if I have a larger project and expand my work space.
Would love to rip up the vinyl and do some thin concrete layer over that. How thin could I do one? Could I use some self floor leveler and call it a day? Just curious the easiest way to do this. If I need >1” of concrete I probably can’t do it as I don’t want to sacrifice much head height or create a step.
Eventually I hope to pour a true slab at the exterior of the shed so I can roll stuff out of the shed if I have a larger project and expand my work space.
7
Posted on 5/11/25 at 11:25 pm to jlovel7
That plywood moves. your self leveling concrete will crack to shite
This post was edited on 5/12/25 at 12:57 pm
Posted on 5/12/25 at 3:04 am to jlovel7
Why do you want concrete? Throw some new plywood over the existing and call it a day, IMO.
Posted on 5/12/25 at 8:41 am to jlovel7
Yeah not a good idea. How big of a shed are we talking about? Rip the floor out and make sure you have a 4" depth to pour concrete and add rebar the way it should be. The thinner you run, the more likely the slab is to crack. Anything less than 3" will get ruined with any shift in the dirt.
Posted on 5/12/25 at 9:01 am to dragginass
quote:
Why do you want concrete? Throw some new plywood over the existing and call it a day, IMO.
Just wanted something more durable.
Posted on 5/12/25 at 9:02 am to WhiskeyThrottle
quote:
Yeah not a good idea. How big of a shed are we talking about? Rip the floor out and make sure you have a 4" depth to pour concrete and add rebar the way it should be. The thinner you run, the more likely the slab is to crack. Anything less than 3" will get ruined with any shift in the dirt.
Maybe around 150 square feet. Probably less. I need to measure it.
This post was edited on 5/12/25 at 9:02 am
Posted on 5/12/25 at 9:06 am to jlovel7
What is the square footage of the shed? What is under the plywood to support it? If there is framing, which there should be, you might be able to remove the framing, drop some gravel in for a base, and do concrete the right way. Do the exterior slab and the flooring at the same time. I built a new set of concrete steps at my front porch about 5 years ago, and it took a ton of concrete, but with a good gravel base, rebar, and some patience, it turned out great. For something the size of a shed though, I would do all my prep work and get a concrete truck out there to dump it for you. Handling 40 or 80lb bags to do an entire shed floor and slab outside will wear you out.
Posted on 5/12/25 at 9:08 am to jlovel7
If the subflooring is still good, rip up the vinyl and put down these copolymer interlocking flooring tiles. They are very strong and meant to last for years.
Posted on 5/12/25 at 12:31 pm to jlovel7
All these selections are great. Just don't pour a thin layer of concrete over a plywood subfloor.
Posted on 5/12/25 at 12:38 pm to Tygerfan
or rubber stall mats from tractor supply
Posted on 5/13/25 at 9:23 pm to Tygerfan
quote:
If the subflooring is still good, rip up the vinyl and put down these copolymer interlocking flooring tiles. They are very strong and meant to last for years.
We may have a winner.
Posted on 5/14/25 at 8:51 am to jlovel7
quote:
Would love to rip up the vinyl and do some thin concrete layer over that. How thin could I do one? Could I use some self floor leveler and call it a day?
That will be a mess and would never hold up, would crack and spall into uselessness in one season. If you want something quick, inexpensive, and relatively durable then put down vinyl plank.
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