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Old 02-07-2013, 03:09 PM   #46
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Not that I know of. If its attached to the house it's a ledger. I'd be interested in hearing what your contractor has in mind.

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Old 02-07-2013, 03:33 PM   #47
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typically when I designed a deck using a ledger board I use at least two of these lateral connectors with treaded rod. http://www.strongtie.com/products/connectors/DTT2.asp

These attach to the side of the floor joist and another goes on the side of an existing floor joist (1st floor). The treaded rod (1/2" dia.) then connects the two connectors together. keep lateral movement from pulling the ledger loose.
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Old 02-07-2013, 03:39 PM   #48
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Ya Gary....I started using them too a couple years ago
when the AWC put it in their publication. The local AHJ's
dont look for them as we aren't in a seismic area. I only
use them now if they ask for them.
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Old 02-07-2013, 03:54 PM   #49
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We have some building departments that look for them, some don't ....... some builders will put them in, some don't, I just draw the pretty pictures. It comes down to whether the ledger is attached in end grain or not (existing dwelling joists). That's why I won't design what I haven't seen first hand.

When the 2015 IRC comes out they will have some new info on lateral ties. One day the codes will be correct (I've been saying that since 1973).
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Old 02-07-2013, 05:42 PM   #50
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Only reason I asked was because the last guy that have me an estimate looked at how the existing deck and stairs were attached and he said they were just nailed into plywood! He said the type of joists I had would mean I'd have to build a self supported deck. If that's the case then its pretty scary since that deck could come down any time but I just find it hard to believe. It feels very solid when shaking on it and it was dark when he looked. I haven't had a chance to check during the daylight either. The joists under the house look like beams with plywood in the middle. Apparently they are called I-joists.

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Old 02-07-2013, 06:49 PM   #51
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go back to post #9 and click on the link to the Residential Wood Deck Construction Guide. That guide will provide you with proper attachment of the ledger and anything else you want to know about deck construction.
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Old 02-07-2013, 08:47 PM   #52
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Are 2x8 joists good for a deck? Some use 2x8s while others use 2x10s.
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Old 02-07-2013, 10:17 PM   #53
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see Table 2 on page 3 of the Guide, I don't know what species lumber you'll purchase, or the span of the joists. Just look at the table and it'll let you know the size
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Old 02-07-2013, 11:21 PM   #54
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More likly it's OSB instead of plywood.
If you insist on building this with a ledger the siding need to come off so Storm and Ice shield can be applyed to the wall to water proof it.
I'd use 1 X 6 vinly lumber as spacers to hold the ledger out away from the side of the house for drainage.
Flashing is installed up the wall and out over the ledger.

Also the sizes your quoting to build this are odd ball sizes.
There's going to be more waste this way.
Check with Fary Brothers lumber in Ark. they have pretty good lumber.

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Old 02-07-2013, 11:41 PM   #55
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Quote:
Originally Posted by nikeman View Post
I'm officially in the market for a new back deck. I'm thinking it will be 15' out from house and 30' across the house. Now can you guys tell me if I'm crazy to think I can have this done for $2-3k for materials and labor? I would like a set of stairs on both sides also.
On
I think it would be some stretchable for both side staircase.
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Old 02-08-2013, 11:52 AM   #56
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Quote:
Originally Posted by joecaption
More likly it's OSB instead of plywood.
If you insist on building this with a ledger the siding need to come off so Storm and Ice shield can be applyed to the wall to water proof it.
I'd use 1 X 6 vinly lumber as spacers to hold the ledger out away from the side of the house for drainage.
Flashing is installed up the wall and out over the ledger.

Also the sizes your quoting to build this are odd ball sizes.
There's going to be more waste this way.
Check with Fary Brothers lumber in Ark. they have pretty good lumber.
Thanks. I actually just sent my material list to fary bros for an estimate. I switched the size to 16'x30' now to prevent the wasted 1' of each decking board. 30' is pretty much set because of my AC unit and me not wanting to build over that.

Here's what I'm looking at material wise. Undecided on 2x8s vs 2x10 joists. 2x8s seem to be quite a bit cheaper but of course safety first.
Deck building-image-3516968737.jpg
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Old 02-08-2013, 12:13 PM   #57
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better check the guide for joist spans, don't believe 2x8 will span 16'
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Old 02-08-2013, 04:23 PM   #58
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Originally Posted by GBrackins View Post
better check the guide for joist spans, don't believe 2x8 will span 16'
Not even close...

2x12 @ 12" O.C. to span 16' or go steel framed, but that'll cost you even more.
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Old 02-08-2013, 06:53 PM   #59
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I was trying to be nice Robert and get him to look at the span tables .... LOL
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Old 02-08-2013, 08:30 PM   #60
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I'm going with 2x10s. Quote from lumber yard was $4,958.94. Mixing HD and lumber yard materials I'v cut it down to $4,536.90 and am trying to make it lower.

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