8x8 posts how far apart

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Old 10-19-14, 04:40 PM
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8x8 posts how far apart

Hello all. I am planning to build a pavilion on top of 4 inch concrete patio. How far apart can I put the 8x8 posts? I will have a swing attached on the side.

thanks
 
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Old 10-19-14, 04:42 PM
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What type/size roof structure do you intend to have? How will you attach the 4x4s to the concrete?
 
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Old 10-19-14, 06:32 PM
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Pavilion

4x4s to the concrete?
Mark, I believe the OP is using 8x8 posts.

Spacing will be determined by the size of the beams supporting the roof.
 
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Old 10-20-14, 04:41 AM
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The pad will not support the weight of a large pavilion without cracking or sinking, so take that into consideration. Each support post should be sitting on a properly dug footing with metal standoff bases. 8x8 is surely overkill, but if you have a source, then it will handle the weight, I am sure. 6x6's would be closer to the norm for such a structure.
 
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Old 10-20-14, 04:43 AM
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My bad not sure why I mis read it
 
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Old 10-26-14, 04:20 PM
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I wanted the posts to be about 12 feet apart if possible. So I should dig and put concrete tubes then run the concrete patio on top? I wanted about a 16 x 18 pavilion with shingles.

thanks
 
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Old 10-26-14, 05:46 PM
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sorry, forgot to add; I wanted to use 4x6 bracing at the top. thanks
 
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Old 10-27-14, 04:34 AM
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Your spacing should be equally divisible by the length of the deck. 8' spacing would be optimal. You did say "pavillion", so it may help to know the design, whether 6 sided, etc. I still question 8x8 posts and why you are using such large posts. It is best to have the sonotubes segregated from the pad, even if by 1/4" foam insulation strips. The pad will expand and contract at a different rate than the sonotube concrete will.
 
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