or even gravel, and forget it
Anyone Build A Shed Before?
- Thread starter 66ChargerHI-PO
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Cut you losses rip that OSB **** up. Trying to make it work will cost you more. 
I don't think Pressure treated plywood exposed to weather is a good choice either, could de-laminate. Since it's a shed 5/4 pressure treated?
I don't think Pressure treated plywood exposed to weather is a good choice either, could de-laminate. Since it's a shed 5/4 pressure treated?
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66 Sat
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If your storing tractors etc, just pour a concrete slab. 4" will be fine, with 6" depth around the perimeter, extending in by 6". Throw a sheet of steel mesh in there and you'll be right for the next 50 years or so.
Problem with concrete 3 cubic yard minimum. Costs $120 a cubic yd.
66 Sat
Well-Known Member
You should be able to get a mini-mix truck - he needs about 1.5yd³. You pay more per cube but then don't have to worry about the minimum batched amount. The minimum is usually 1yd³ anyway but you pay part load charges on the balance - assuming it's the same there as everywhere else in the world.
Or hire a mixer and mix it up and pour it yourself.
If it is 3yd³ minimum then he could pour a bigger slab and have the apron all the way around, depending on how much room he has.
Just offering another option that could be cheaper in the long run with zero maintenance.
Or hire a mixer and mix it up and pour it yourself.
If it is 3yd³ minimum then he could pour a bigger slab and have the apron all the way around, depending on how much room he has.
Just offering another option that could be cheaper in the long run with zero maintenance.
747mopar
Well-Known Member
My brother built a shed for his mower as well, wanted to use cheap 1/2" OSB.. I advised against it and now there's roughly 1/2"-3/4" sag between the joist. The upstairs of my garage on the other hand has 3 dirt bikes, a 3 wheeler, a quad, a 1,200 lb Can Am, 800 lb air compressor and who knows how much more on it and is still solid (3/4" treated tung and groove).
Something else she's not telling you is the moisture trapped under the shed alone over time will damage OSB. OSB is perfectly fine for certain things, things that involve keeping it really dry.
Gospel Runner
Well-Known Member
Keep it simple and do not waste your money. I have 3/4" pressure treated floors in my shed, which is 25 years old, sitting on pressure treated 2X6's and there is no rot anywhere. No name calling, just take that OSB stuff back and get the right stuff. You will not regret it! If you chose not to listen, then you will learn a lesson the hard way!
mopar 3 B
Well-Known Member
This is a plastic shed. Does it not have a floor? And do not use even PT unless it is labeled for ground contact. Yes there is a difference.
As to the use of concrete slabs in some locals that constitutes a permanent structure and is taxed as such. Plastic sheds are not permanent structures.
I would set it on compacted paver rock and forget the wood floor.
As to the use of concrete slabs in some locals that constitutes a permanent structure and is taxed as such. Plastic sheds are not permanent structures.
I would set it on compacted paver rock and forget the wood floor.
load of gravel in a pick up = > $50
mopar 3 B
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8x15 to do it right will take 5 tons min.
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He's been an idiot for 50 years ?
R413
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Maybe even longer than that!
ok delivery stone $150.00
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I have a plastic shed for my ducks coop. It came with a two piece plastic floor. It's now 7 years since we bought it and assembled it. Still going strong. Sits on 2x4 ground contact treated lumber with a gravel filled pad under the floor. No issues so far..
ZR9B
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I bought a place where the guy used osb..it was nice and painted. Sags everywhere rotted from the bottom up and the bottom was painted. I just deleted the pics...I wish I would have saved them. It made it 2 years...then 3 of me f* c*in with it. It's now 3/4 treated plywood. Worst part is I did it when plywood was at its peek. Not to mention how easy it is for mice to chew.....thats a whole other story.
I've been a carpenter my whole life. Start over with 5/4 or 3/4 treated on 2x4 or 2x6 treated on gravel and put a foot in your friends ***. If you use OSB, you might as well build it on a sponge.
I had a 3/4 plywood treated wellhouse roof the guy before built at a lake house I had. Twenty five years later it's still there!
Yes sir, that’s what I was going to suggest.Cut you losses rip that OSB **** up. Trying to make it work will cost you more.
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I'm with the paving stone or sidewalk blocks. Gravel base would be nice but not required. Lay them on flat and build the plastic shed on top. It is temporary at best, although it can be a long while. But over-engineering is just money you can put elsewhere.
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