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-   -   6x6 deck posts to concrete slab (http://www.diychatroom.com/f19/6x6-deck-posts-concrete-slab-57107/)

csiryan 11-13-2009 12:54 PM

6x6 deck posts to concrete slab
 
Was wondering if it would be OK to attach a support post to an existing concrete slab using some sort of bracket?

Scuba_Dave 11-13-2009 01:18 PM

Yes - simpons makes a support bracket to drill & bolt to the concrete slab
But in most cases you need more support then the slab offers
Here I needed an almost 4' concrete support in the ground

12penny 11-13-2009 01:46 PM

Scubas right. In theory, yes... you can attach it to a slab. In practice, you probably cant because of load issues.

csiryan 11-13-2009 02:08 PM

OK Thanks!
 
Thanks for your replies...I have about a 6" thick slab to work with. I found a bracket at Lowes for the exact application and I think will do. Not the most attractive thing in the world, but will do.
Ryan

12penny 11-13-2009 02:15 PM

csiryan...I dont think you got what we said.
You can attach a 6x6 to anything.
But you cant support a deck with a 6" concrete slab.
At least not here in the northeast.

Scuba_Dave 11-13-2009 02:20 PM

If you are putting a deck above this you will probably crack the slab if too many people are on the deck & depending upon the size
And if the deck is attached to the house you have to have support to the same frost depth as the house

If you are putting a roof over the slab it maybe OK
Depends upon span & lumber used

csiryan 11-16-2009 06:57 AM

OK, I live outside Atlanta.
 
Why would a slab that thick not be good enough? The only alternative would be to cut the slab out, which would be less than desirable.

SULTINI 11-16-2009 07:07 AM

Quote:

Originally Posted by csiryan (Post 353628)
Why would a slab that thick not be good enough? The only alternative would be to cut the slab out, which would be less than desirable.


Depends what part of the country your from and the codes.

Scuba_Dave 11-16-2009 07:47 AM

Quote:

Originally Posted by csiryan (Post 353628)
Why would a slab that thick not be good enough? The only alternative would be to cut the slab out, which would be less than desirable.

Where are you located?...ah you put Atlanta in as location
What are you building...roof or deck ?

stadry 11-16-2009 09:23 AM

depends on how FAR outside of atlanta,,, if you're like me in marietta, probably not a problem,,, if you're 1,500m north of atlanta, problem :yes: down here our footers're only 1' below grade since we don't have snowload or frost w/which to contend,,, however, we DO have windload uplift issues,,, good luck !

Thurman 11-16-2009 09:28 AM

csiryan: There are many people on here that offer good advice backed by proper education and experience. Scuba_Davd, and 12penny, happen to be two of them, SULTINI I just don't happen to recognize (sorry). Give more details of your project and listen to them. It does sound as if you are planning a second story deck or roof. Personnally, I do think a 6" slab would hold up a 6x6 post, just not a deck or roof. Good Luck, David


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