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ATB
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# Posted: 27 May 2010 09:09am
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How many deck blocks and at what intervals would be needed for the following size structures?
8x10 Shed for storage
12x16 1/2 Shed that I happen to sleep and eat in sometimes
For example should they be ever 2 feet.
Thanks,
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MikeOnBike
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# Posted: 27 May 2010 12:48pm
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What are you using for beams to connect the deck blocks?
Are you going to set something like a 4x6 beam across the blocks on the 12' side and then lay your 2x6 or 2x8 floor joists perpendicular to the beams?
I have a few numbers from some plans that I can look at tonight.
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ATB
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# Posted: 27 May 2010 01:44pm
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"Are you going to set something like a 4x6 beam across the blocks on the 12' side and then lay your 2x6 or 2x8 floor joists perpendicular to the beams?"
Yes Exactly what I was thinking
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MikeOnBike
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# Posted: 27 May 2010 11:10pm
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The plans I have for a 10x14 show two 14' 4x6 beams with the pier at 2', 7' and 12' from one end. That gives an overhang of 2' on each end. You should be fine with up to 5' between piers.
The plans for the 12x18 uses 4x10 beams with a pier at 2', 9', and 16' from one end. That gives an overhang of 2' on each end. You should be fine with up to 7' between piers. It also shows 4x8 beams with piers every 4' as an alternate.
Hope that helps.
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Rob_O
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# Posted: 28 May 2010 10:47pm
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Quoting: MikeOnBike The plans I have for a 10x14 show two 14' 4x6 beams with the pier at 2', 7' and 12' from one end. That gives an overhang of 2' on each end.
Do the beams run under the ends of the floor joists, or do the joists overhang the beams? What size/spacing floor joists do the plans spec?
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MikeOnBike
Member
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# Posted: 28 May 2010 11:09pm
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The joists overhang the beams by 2'. The joists for the 10x14 are 2x6 DF #2 or better on 16" centers. The joists for the 12x18 are 2x8 on 16 " centers.
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Rob_O
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# Posted: 29 May 2010 12:57pm
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Thanks, Mike.
I'm building on 24" centers, so I will use 2x8 joists and beams. The tables I have says it will be (slightly) stronger than 2x6 on 16" centers
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RDLong70
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# Posted: 29 May 2010 01:13pm
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I was going to use pier blocks every 4' on the outer foundation and then stack concrete block for some middle support. I am looking to build a 14' x 16' with loft (200sq ft). I want to be able to hop on the floor and feel no shaking and such. I want it to be solid.
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MikeOnBike
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# Posted: 29 May 2010 07:31pm
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Rob_O, possible stronger but consider your decking material. With 24" center you may experience more 'flex' if your decking material isn't stiff enough. 3/4 material will flex a bit at 24", 1-1/8 probably a lot less.
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Rob_O
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# Posted: 29 May 2010 08:39pm
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Quoting: MikeOnBike possible stronger but consider your decking material. With 24" center you may experience more 'flex' if your decking material isn't stiff enough
I've considered that, and will be increasing the floor thickness as necessary.
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Rob_O
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# Posted: 23 Jun 2010 10:27pm
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After some cost calculations, I've decided to go with 2x8 on 16" centers for the floor. Thick plywood is expensive
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