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Attaching deck ledger to concrete foundation wall

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Attaching deck ledger to concrete foundation wall beerguzzler50 09-24-2007
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Posted by H.Bunker on September 24, 2007, 8:27 pm
beerguzzler50@yahoo.com wrote:
> I am building a PT deck attached to my house and have a question about
> attaching the deck ledger board. Most everything I have read talks
> about connecting it to wood, not concrete.
>
> Here's what I was thinking of doing. All my joists are going to be
> 2x8, so I was going to use 2x10 for the ledger board. I am going to
> run 2 lapping strips of Grace Vycor ledger/flashing (it is like ice/
> water shield, only 9" wide) under the siding and ledger board. Then I
> am going to drill into the concrete and use 1/2"x5.5" RedHead wedge
> (hot dipped galvanized) anchors--2 of them in every other joist bay
> (16" OC). Next I was going to use vinyl deck ledger flashing since I
> have heard that aluminum won't last well with the PT.
>
> I want to do this right and have it last...am I on the right track?

Why attach the deck in the first place?

Also, since you're not supposed to use galvanized nails with the PT put
out now. I don't believe it would be wise to depend on anything
galvanized, especially a supporting end.

Posted by on September 24, 2007, 8:39 pm
> beerguzzle...@yahoo.com wrote:
> > I am building a PT deck attached to my house and have a question about
> > attaching the deck ledger board. Most everything I have read talks
> > about connecting it to wood, not concrete.
>
> > Here's what I was thinking of doing. All my joists are going to be
> > 2x8, so I was going to use 2x10 for the ledger board. I am going to
> > run 2 lapping strips of Grace Vycor ledger/flashing (it is like ice/
> > water shield, only 9" wide) under the siding and ledger board. Then I
> > am going to drill into the concrete and use 1/2"x5.5" RedHead wedge
> > (hot dipped galvanized) anchors--2 of them in every other joist bay
> > (16" OC). Next I was going to use vinyl deck ledger flashing since I
> > have heard that aluminum won't last well with the PT.
>
> > I want to do this right and have it last...am I on the right track?
>
> Why attach the deck in the first place?
>
> Also, since you're not supposed to use galvanized nails with the PT put
> out now. I don't believe it would be wise to depend on anything
> galvanized, especially a supporting end.

I think you aren't supposed to use regular galvanized...but hot dipped
is supposed to be OK. Lots of deck are being done with them and it is
acceptable by code. Most all joist hangars and corner pieces are Hot
galv too.

I am already past the point of attaching since my concrete work is
already done.


Posted by jloomis on September 24, 2007, 9:56 pm
I live on the North Coast of Calif. I usually space my ledger out with
plastic conduit cut in 3/4" pieces.....I usually set this up on saw horses
with pre-drilled holes, joist hangers, etc.....and the plastic spacers on
back tacked on with staples or bent over small finishing nails.... I use
stainless staples with the pneumatic gun mostly but a person can do it other
ways......
You can thru bolt into the wall also for security or 2nd story applications.
I usually put thru bolts in every other spot just to make sure it stays.....
Concrete anchors will work fine though.....
The day and age of liability has jacked up the hardware in most
construction.
John Loomis
>I am building a PT deck attached to my house and have a question about
> attaching the deck ledger board. Most everything I have read talks
> about connecting it to wood, not concrete.
>
> Here's what I was thinking of doing. All my joists are going to be
> 2x8, so I was going to use 2x10 for the ledger board. I am going to
> run 2 lapping strips of Grace Vycor ledger/flashing (it is like ice/
> water shield, only 9" wide) under the siding and ledger board. Then I
> am going to drill into the concrete and use 1/2"x5.5" RedHead wedge
> (hot dipped galvanized) anchors--2 of them in every other joist bay
> (16" OC). Next I was going to use vinyl deck ledger flashing since I
> have heard that aluminum won't last well with the PT.
>
> I want to do this right and have it last...am I on the right track?
>



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