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Old 03-31-2008, 02:42 PM   #1
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Foundation for 8x10 Vinyl Shed


First of all great site here! Been reading for a few weeks but I'm a first time poster.

I found this shed at a local store and it seems solid. I've seen these Resin sheds in stores before and they seemed flimsy and cheap but this on appears to be well built. My only concern with the unit is the sky lights and potential for leaks. http://www.amazon.com/Brighton-Outdo...6972190&sr=8-3

Back on subject: What would you recommend for a basic foundation for this? I was originally planning on digging and laying #67 stone and some large stone or concrete pavers on top of them. After talking with a few people I was told that the crushed stone itself would be suffice. Similar to this: http://www.gardensheds.com/images/bu...ation_full.jpg

Is it that simple? Can I just dig, frame, lay stone, level and compact and build on top of that. If so how depth(inches): 3? 4?

Thanks in Advance.

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Old 03-31-2008, 02:53 PM   #2
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Foundation for 8x10 Vinyl Shed


What is the bottom of the shed made out of? - Are there any runners or beams?

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Old 03-31-2008, 03:19 PM   #3
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Foundation for 8x10 Vinyl Shed


Not sure. Lifetime website mentions "High-Density Polyethylene Floor Included Slip Resistant Surface with Beveled Edge Resistant to Oil, Solvents and Stains Does Not Crack, Chip or Peel" I'm not certain if there is anything underneath that or not.
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Old 03-31-2008, 05:18 PM   #4
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Foundation for 8x10 Vinyl Shed


I am thunkin; crushed stone, then a ladder base of 8 x 8 PT, set shed. 7 1/2" is a "normal step height". Keeps everything off the ground.
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Old 03-31-2008, 11:19 PM   #5
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Foundation for 8x10 Vinyl Shed


A little off the subject, but do you realize that Costco sells Brighton Sheds?

Brighton 8 x 10 $989

Brighton 11x11 $1899
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Old 04-01-2008, 01:58 PM   #6
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Foundation for 8x10 Vinyl Shed


Quote:
Originally Posted by Git View Post
A little off the subject, but do you realize that Costco sells Brighton Sheds?

Brighton 8 x 10 $989

Brighton 11x11 $1899
Thanks for the tip. The shed I'm looking at is the same price at BJ's and IMO looks nicer. What is a ladder base? Also, setting it directly on the stones is not a good idea?
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Old 04-01-2008, 04:11 PM   #7
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just setting on stone will allow the floor to move around and twist,settle ect. Ladder base: make a frame the same size as the shed base with 8x8 pt lumber with cross pcs either at 16" center or 24. IMHO I think 16 is safer.
You could do it with 2 x 8's pt. frame it like the floor in your house :} If the shed can support itself on 16 then u r done. Worse case I would put 1/2" CDX (exterior) on it then drop the shed on.
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Old 04-02-2008, 01:37 PM   #8
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I bought the shed last night. The manual calls for 2 options: -2x4 PT ladder base w/ 16" centers and 3/4 ACX top. -2x4 PT frame filled w/ 'Pea' gravel I'm trying to avoid the plywood top. Would there be any benefit to building the 2x4 ladder base and fill the voids w/ this 'Pea' gravel ? Thanks again for all the help.
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Old 04-02-2008, 06:48 PM   #9
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Way way much better,easier,faster, and probably cheaper to just go plywood. Use CDX with 3/4 you can get it T&G. Thorw some nails to hold it in place and get deckscrews to screw it down, pop the shed on it and you are good to go. That plastic shed has NO ridigity thats why you need a solid "foundation" under it.
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Old 04-03-2008, 12:31 PM   #10
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Ok I've been convinced. I will build the 2x4 ladder frame base w/ PT wood. Top it w/ 3/4 T&G CDX. My concern now is can I just build this base on the ground or do I need to dig and set a layer of stove first. I'm most concerned w/ the wood lying directly on the ground and the potential for pooling. Any thoughts?
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Old 04-03-2008, 12:41 PM   #11
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You should dig it out a couple of inches and put a bed of stone, then set your frame and shed. I know alot of work for a shed but unless you do it right in very little time you will have problems. The stone allows water to run away from the wood even tho it is PT it still is wood and will soak up water etc.
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Old 04-03-2008, 01:04 PM   #12
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Thats what i was thinking. Thanks for all the help and convincing. I'll be sure to post results of the job as I go through it.
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Old 04-03-2008, 02:03 PM   #13
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More questions!! I just went to the Home Depot to scope out wood. I did some research before hand and read that for outdoor jobs OSB > CDX.

HD has 5/8 T&G OSB for $11.50 sheet which I can live with. Then I priced out the 2x4 PT base and going to 2x6's would only be $20 more.

Is there any benefit to using 2x6 instead of 2x4s?
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Old 04-03-2008, 10:14 PM   #14
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Sure wood ( groan by I had to do it ) :} x6 stronger, more stable etc.
Remember a "normal" step is 7 1/2", be careful you dont make that step too low, it would be a toe buster.
Thats why I suggested earlier to go 2 x 8; 7/12" lumber, plus 3/4" then squish the frame into the stone about an inch or so to really solidify it. That will leave you with a step of about 7ish. If you dont mind a little more effort SCREW it all together.
Now here is a secret, if ya tell anybody then ya know what I gotta do
ya gotta keep the tops EVEN so, take 2 pcs of anything thick enuf to NOT flex, scrap OSB 2 x 4 whutevah, now screw that to the top of the 2 x with a couple of inches sticking past each end, now when you set it into place it will hang from that pc and be dead even, once the 2 x is screwed in move blocks to the next, etc etc etc shhhhhhhhhhhhhhhhhhh.Once they are all screwed into place if you want to feel really super secure then go back and put hangers on, u can screw them into place also. DECK SCREWS!!!!!!!!!! for everything. Oh Yeah when squishing the frame into the stone you LEVEL IT
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Old 10-24-2009, 10:51 AM   #15
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Foundation for 8x10 Vinyl Shed


Hi Frirebird,

I am in the process of buying and installing the same. Can you please share your experience in making the foundation and assembly. Any pointers to be careful or helpful.
Appreciate your reply

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