how many pier blocks for shed foundation

Nov 10, 2008 Last reply: 3 years ago 3 Replies
R

Hi everyone



i'm building a 10x15 shed it will be 15 feet wide, so the joists are 10 ft long, and the 2 outside ledger boards are 15. plan on using 2x8 treated joists, 16 in o.c.



my question is - how many pier blocks and where?



i was considering this: each x is a pier block. so i alternate joists, and place one on every joist in them middle - under the shed. does that make sense? is that kosher?



x-----x-------x------x------x------x-x | | | | | | | | | | | | | | | | | | | | | | | | x x x x x x x x x x x x | | | | | | | | | | | | | | | | | | | | | | | | x-----x-------x------x------x------x-x


any thoughts or opinions are appreciated. Thanks everyone


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R

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My shed is 10'x20'. Joists 2"x8" - 2' on center.

4 - 4x4 beams run length of shed 10' long each. Solid block piers 4' on center under beams only. 2"x8" ledger boards at sides. The end view with nosy dog is pretty much full width. Beams are 8' apart. Anchors every 4'. This passed code in Fla. where the wind consideration is possibly higher than in your area.

I just made it before dark.

Hope this helps

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J

Wouldn't wider joists on 24" centers with no piers be a lot less work (and maybe cheaper)? Your present design seems suitable for heavy machinery, so if that is not the intent, other schemes should be considered.

Joe

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