New shed on slightly sloped foundation/slab


Old 12-07-05, 06:48 PM
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Question New shed on slightly sloped foundation/slab

I have to replace my "shed" because it is falling apart. The new shed will be rebuilt at the same location unfortunately the existing concrete slab is slightly sloped. For a 10ft run, the slope is about 2"-4". Besides pouring a concrete overlay, what are other ways of securing a level sill/bottom plate to the sloped foundation/slab?

Additionally, should I use epoxy-type or wedge-type anchor bolts to secure the sill plate?

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Old 12-09-05, 08:52 PM
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I would suggest getting the slab as level as possible before building. You could also tear out the slab and use concrete piers. For a solid shed that won't have to be rebuilt in the near future, start with a proper foundation. A 2-4 inch slope sounds pretty steep for you to make up the difference. Good luck!!
Old 12-11-05, 06:30 PM
Join Date: Mar 2000
Location: Arlington, WA
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That slab has too much slope for a shed floor. I would get rid of it and pour a new slab that is level, then build the new shed on that. Like bigdaddy832 said, a wood floor is an option, but it will only last about 10 years. A concrete pad will cost about the same as a wood floor and will last pretty much forever.

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