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re: Masons of the OT...can I install a brick "seating" wall on an existing patio?

Posted on 3/4/15 at 2:45 pm to
Posted by Crusty
Baton Rouge
Member since Aug 2011
2560 posts
Posted on 3/4/15 at 2:45 pm to
The existing patio is basically 20’ x 25’ and it was added after the house was already built so there really is nothing tying it into the existing slab that I am aware of. I was out of town when the patio was actually poured, but I did see it framed up and I don’t recall any footings going around the perimeter. It was basically a 4” tall frame with some of that criss-crossing wire down on the bottom (not sure if they raised this up at all when they poured or not?). So…worst case scenario I have 4” of concrete poured on top of a wire “mesh” after the ground was leveled out.
Posted by 4WHLN
Drinking at the Cottage Inn
Member since Mar 2013
7613 posts
Posted on 3/4/15 at 3:14 pm to
This a little excessive, but it will give you an idea of what you need to do.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57989 posts
Posted on 3/4/15 at 3:18 pm to
that just shews tieing to slabs together. the slab is already poured. and with a residential patio i bet the didnt tie it to the existing slab.
Posted by 4WHLN
Drinking at the Cottage Inn
Member since Mar 2013
7613 posts
Posted on 3/4/15 at 3:19 pm to
I was trying to show him how to tie the new footing into the existing slab. Ignore the existing footing.

ETA: I may have misunderstood the OP
This post was edited on 3/4/15 at 3:21 pm
Posted by Crusty
Baton Rouge
Member since Aug 2011
2560 posts
Posted on 3/4/15 at 3:21 pm to
I still find it hard to believe that such a small wall would require so much support. Then again, the OT knows thus the reason I came here.

Thanks guys.
Posted by CarRamrod
Spurbury, VT
Member since Dec 2006
57989 posts
Posted on 3/4/15 at 3:22 pm to
quote:

I still find it hard to believe that such a small wall would require so much support.
as im am saying i do not believe it does.

most slab skirts are there to prevent this in case there was some minor erosion

This post was edited on 3/4/15 at 3:25 pm
Posted by Croacka
Denham Springs
Member since Dec 2008
61450 posts
Posted on 3/4/15 at 3:24 pm to
I tend to agree


Think of wheel loads on the edge of a driveway. Probably heavier and obviously more concentrated, and my driveway seems to be holding up
Posted by BLIZZAKE7
BRLA
Member since Apr 2005
6230 posts
Posted on 3/4/15 at 3:24 pm to
quote:




Top of wall will crack with this detail IMO
Posted by CHEDBALLZ
South Central LA
Member since Dec 2009
22796 posts
Posted on 3/4/15 at 3:28 pm to
My uncle did the exact same thing you are doing 20 years ago and the cement hasnt cracked yet. If you go with a hollow wall I think you'll be fine. Also, 2' tall is a little high for a seat... I would drop it down to 18" or so.
Posted by N2cars
Member since Feb 2008
34766 posts
Posted on 3/4/15 at 3:31 pm to
I wish you were here.

You're just the fella to redo my wing walls.
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