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Old 06-21-2010, 08:18 PM   #1
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Deck with not enough space for beams and joists


I'm a beginner and planning to build a deck. The local lumber yard gave me a plan, which calls for 2x10 beams and 2x8 joists. The problem is I only have about 12" from my sliding door to the ground. What options do I have? I could dig out the ground around the deck, but am concerned that it may ruin the integrity of the slab my home sits on.

Any help would be appreciated.
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Old 06-21-2010, 09:59 PM   #2
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Deck with not enough space for beams and joists


When there is not room under the deck----set your beams so that the top of the beam is at joist level and hanger the joists off the side of the beam instead of setting the joists on top--

There isn't that just as clear as mud!

Could someone else step in here--I have a splitting head ache tonight.---Mike--
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Old 06-21-2010, 10:27 PM   #3
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Deck with not enough space for beams and joists


What O'mike said will work fine.


You can use smaller depth beams by supporting them at more frequent intervals with posts/piers. Since you won't be walking under a 12" high deck it doesn't matter how close together the posts/piers are. Same with the joists, they can be smaller depth if the beams are spaced closer together. Just means more holes and concrete. So in theory you could use 2x6 for joists and beams by spacing the posts right.

But honestly, I'd put in a patio (brick, stone or concrete) instead of a deck that low. It will never rot, sliver, fade or warp.
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Old 06-22-2010, 06:23 AM   #4
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Deck with not enough space for beams and joists


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Originally Posted by alexeygu View Post
I'm a beginner and planning to build a deck. The local lumber yard gave me a plan, which calls for 2x10 beams and 2x8 joists. The problem is I only have about 12" from my sliding door to the ground. What options do I have? I could dig out the ground around the deck, but am concerned that it may ruin the integrity of the slab my home sits on.

Any help would be appreciated.
Flush beam using joist hangers on all joists. Same amount of footings. No additional footings and concrete.
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Old 06-22-2010, 07:49 AM   #5
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Deck with not enough space for beams and joists


This is a good way. The only problem you may encounter is mid deck support. In this case, you will simply have to approach it as two decks butted to each other, using back-to-back hangers on a common single beam.
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Old 06-22-2010, 01:51 PM   #6
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Deck with not enough space for beams and joists


Maybe try metal saddle posts? I know they're a pain to pound into the ground but might work best for you. Keep the 2x8's lower than the 2x10's equal to the thickness of the deck boards) and frame the perimeter the same way...gives a nice clean edge finish.
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Old 06-22-2010, 03:44 PM   #7
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Deck with not enough space for beams and joists


Quote:
Originally Posted by alexeygu View Post
I'm a beginner and planning to build a deck. The local lumber yard gave me a plan, which calls for 2x10 beams and 2x8 joists. The problem is I only have about 12" from my sliding door to the ground. What options do I have? I could dig out the ground around the deck, but am concerned that it may ruin the integrity of the slab my home sits on.

Any help would be appreciated.
2x10 beams ?
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Old 06-22-2010, 06:28 PM   #8
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Deck with not enough space for beams and joists


That low to the ground I would put in a stone patio. Wood decks are an upkeep pain in the ass. They start to die as soon as you install them.
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Old 06-22-2010, 06:42 PM   #9
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Deck with not enough space for beams and joists


hmm..adam said that about eve

catch you folks in a month, after my ban!

Alex, can we see he plan?
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Old 06-22-2010, 08:09 PM   #10
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Deck with not enough space for beams and joists


Without any idea of the spans etc its kind of hard to offer much assistance
I agree I'd put in a patio, that's what I did at my last house
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Old 06-22-2010, 09:00 PM   #11
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Deck with not enough space for beams and joists


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hmm..adam said that about eve

catch you folks in a month, after my ban!

Alex, can we see he plan?

I don't get it. Adam said Eve started to die after he installed her? Next time you are required to be controversial and funny before anyone will consider a ban.
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