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Old 02-15-2013, 04:57 PM   #136
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Deck building


So how your saying will pass code going by this?


http://www.gloucesterva.info/Portals...ckDetail09.pdf

That would take away 4 6x6s and a lot of concrete! Ill have to bring it up when I talk to him again. It's 15'9" from house and 30' wide btw. 15'9" is Max depth that allows 2x10s over 2x12s.

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Old 02-15-2013, 06:46 PM   #137
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It looks to me that if I have a overhang with a span of 12'8" or more requires 2x12s. Even so i would be saving over $50 that way. Now, someone told be the face board needs to be bigger than the joists. Just talking about the boards that go in front of the joists and on the sides. I thought that was just to hide the joists and make it look better.
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Old 02-16-2013, 06:36 AM   #138
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no...your joist span is 12'8". Fine for 2x10. With 3' overhang it gives you 15'8".

Joist span is ledger to beam. Youre getting confused.

Last edited by 12penny; 02-16-2013 at 06:39 AM.
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Old 02-16-2013, 10:27 AM   #139
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Hi Guys, You may want to check your local code re: allowable cantilever. Some only allow 2 feet if you are over a certain height. Why, I have no idea, as physics does not change within 12 feet or so
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Old 02-16-2013, 02:04 PM   #140
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All it says is max overhang is 3'. So the deck will be sturdy if I span 14' from house and over hang 2' with just the 4 6x6s underneath and the ledger board? I'd use 2x12s with that span and still save $56 in lumber plus less concrete and through bolts! Not to mention less holes to dig. Since I have the permit already can I change it up like that? I submitted the typical deck detail as my plans so I assume I can do it how ever I want as long as its to code by that handout. I did tell them the square footage based on 15'9"x30 so I assume that has to remain the same or will the Inspectors know any of that?

Deck building-image-659712635.jpg
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Old 02-16-2013, 02:10 PM   #141
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I'd bring the back back to 13'. That'll take
a little of the spring out of it.

You're on the right path.
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Old 02-16-2013, 02:16 PM   #142
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Quote:
Originally Posted by 12penny
I'd bring the back back to 13'. That'll take
a little of the spring out of it.

You're on the right path.
That sounds good but it just seems like the ledger would be holding all of the weight and to me that means all the weight is being held by the lag bolts.
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Old 02-16-2013, 02:26 PM   #143
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According to the link you posted, that
would be 60 lag bolts.

If it makes you feel better, use carriage
bolts, nuts and washers. Basement
ceiling needs to be open for this.

I'd ask the AHJ if you need the lateral
ties. They're expensive and here they
only require them on really high decks.
We don't have a seismic problem.
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Old 02-16-2013, 02:46 PM   #144
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Quote:
Originally Posted by 12penny
According to the link you posted, that
would be 60 lag bolts.

If it makes you feel better, use carriage
bolts, nuts and washers. Basement
ceiling needs to be open for this.

I'd ask the AHJ if you need the lateral
ties. They're expensive and here they
only require them on really high decks.
We don't have a seismic problem.
I plan on putting a lag every 4" so that would be 90 lags all together in that W formation if my math is right. We have had one minor earth quake her in the 20 years I have lived here and that was a huge deal apparently.
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Old 02-16-2013, 03:09 PM   #145
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Just ask them. They may let it slide
and you can save the money.
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Old 02-16-2013, 03:21 PM   #146
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Is that this thing?




Deck building-image-3145586829.jpg
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Old 02-17-2013, 06:53 PM   #147
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Quote:
Originally Posted by 12penny
According to the link you posted, that
would be 60 lag bolts.

If it makes you feel better, use carriage
bolts, nuts and washers. Basement
ceiling needs to be open for this.

I'd ask the AHJ if you need the lateral
ties. They're expensive and here they
only require them on really high decks.
We don't have a seismic problem.
Also, I do not have a basement. I do have a nice high crawl space and full access to the floor joists. What are those hold down tension things in the last picture I posted?
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Old 02-18-2013, 05:17 AM   #148
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Lateral ties. Keeps the deck from pulling away from the house.
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Old 02-18-2013, 11:35 AM   #149
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Quote:
Originally Posted by 12penny
Lateral ties. Keeps the deck from pulling away from the house.
What do they look like? I didn't buy any of those. I got 125 lag bolts today and I'm thinking that's a lot more then ill need. Bought all lumber and hardware today.
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Old 02-18-2013, 12:01 PM   #150
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Simpson# DTT2z. One pair on each end of deck.
One piece get nailed to inside floor joist. Other
one gets nailed to deck floor joist. 1/2" threaded
rod and nuts connect the two. Holds ledger to house.

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