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Reinforcing kitchen wall MiamiCuse 09-26-2008
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Posted by MiamiCuse on September 26, 2008, 11:25 pm


I have a kitchen wall with a window on top, below the window are 8" concrete
blocks.

I will be installing a kitchen sink and dish washer along that wall, so I
broke the wall on one side to run the 2" PVC pipe to a vent stack to the
right. The PVC pipe run is over 4 feet long, and in order to run that pipe
and the one below for the dish washer, I had to literally break off one side
of that concrete wall, so that resulted in half the length of that wall
being supported now with just the outside face of the old concrete blocks.
See the picture:

http://i173.photobucket.com/albums/w67/143house/kitchen/P1020499.jpg

Any idea what is the best way to patch it up? Do I get 4" thick blocks and
built up the front side? Do I frame 2x4s to support it? Do I use ply wood
to cover the front side and pour solid concrete?

Thanks in advance!

MC



AppliancePartsPros.com, Inc.
Posted by BobK207 on September 27, 2008, 12:33 am


> I have a kitchen wall with a window on top, below the window are 8" concr=
ete
> blocks.
>
> I will be installing a kitchen sink and dish washer along that wall, so I
> broke the wall on one side to run the 2" PVC pipe to a vent stack to the
> right. =A0The PVC pipe run is over 4 feet long, and in order to run that =
pipe
> and the one below for the dish washer, I had to literally break off one s=
ide
> of that concrete wall, so that resulted in half the length of that wall
> being supported now with just the outside face of the old concrete blocks=
.
> See the picture:
>
> http://i173.photobucket.com/albums/w67/143house/kitchen/P1020499.jpg
>
> Any idea what is the best way to patch it up? =A0Do I get 4" thick blocks=
and
> built up the front side? =A0Do I frame 2x4s to support it? =A0Do I use pl=
y wood
> to cover the front side and pour solid concrete?
>
> Thanks in advance!
>
> MC

MC-

Whether you need to "repair" the wall all depends on the "demand" on
the wall & the remaining "capacity" in the "chopped up" wall.

Keep in mind that my comments come from a guy experienced in wood
framed construction / plywood shear walls / seismic issues.

Being a master of "overkill" I guess I'd rebuild the course of the
wall where the pipes run, with 8" blocks with the "back face" removed
& appropriate cutouts made....

Once the "pipe course" was replaced, I'd continue rebuilding the wall
with 8" block with the back face removed.

Since the original wall appears to have been ungrouted, looks like you
really don't need a solid concrete wall.

I would suggest you estimate the amount of effort to cut & fit the
blocks vs forming up and pouring a solid wall.

Personally I'd prefer to piece it together & build it up out of blocks
rather than work and mess to form & pour. Plus I'm not a huge fan of
encasing pipes in concrete.

cheers
Bob




Posted by Blattus Slafaly on September 27, 2008, 9:57 am


MiamiCuse wrote:
> I have a kitchen wall with a window on top, below the window are 8" concrete
> blocks.
>
> I will be installing a kitchen sink and dish washer along that wall, so I
> broke the wall on one side to run the 2" PVC pipe to a vent stack to the
> right. The PVC pipe run is over 4 feet long, and in order to run that pipe
> and the one below for the dish washer, I had to literally break off one side
> of that concrete wall, so that resulted in half the length of that wall
> being supported now with just the outside face of the old concrete blocks.
> See the picture:
>
> http://i173.photobucket.com/albums/w67/143house/kitchen/P1020499.jpg
>
> Any idea what is the best way to patch it up? Do I get 4" thick blocks and
> built up the front side? Do I frame 2x4s to support it? Do I use ply wood
> to cover the front side and pour solid concrete?
>
> Thanks in advance!
>
> MC
>
>
I would build a little form and fill in the void with cement, pipes and
all. Otherwise those block backs could buckle.

--
Blattus Slafaly ? 3 :) 7/8

Posted by Norminn on September 27, 2008, 1:10 pm


Blattus Slafaly wrote:

>MiamiCuse wrote:
>
>
>>I have a kitchen wall with a window on top, below the window are 8" concrete
>>blocks.
>>
>>I will be installing a kitchen sink and dish washer along that wall, so I
>>broke the wall on one side to run the 2" PVC pipe to a vent stack to the
>>right. The PVC pipe run is over 4 feet long, and in order to run that pipe
>>and the one below for the dish washer, I had to literally break off one side
>>of that concrete wall, so that resulted in half the length of that wall
>>being supported now with just the outside face of the old concrete blocks.
>>See the picture:
>>
>>http://i173.photobucket.com/albums/w67/143house/kitchen/P1020499.jpg
>>
>>Any idea what is the best way to patch it up? Do I get 4" thick blocks and
>>built up the front side? Do I frame 2x4s to support it? Do I use ply wood
>>to cover the front side and pour solid concrete?
>>
>>Thanks in advance!
>>
>>MC
>>
>>
>>
>>
>I would build a little form and fill in the void with cement, pipes and
>all. Otherwise those block backs could buckle.
>
>
>
I don't know about reinforcing walls, but I would incorporate part of
the mold to keep the concrete
off the pipes.........just in case the wall has to be opened up in the
future so's you can do it without
busting pipes.

Posted by Anthony on September 27, 2008, 10:21 am


I suggest that you first wrap the pipe in a pipe wrap therefore stopping any
chemical reaction from the cement on the adhesive in the pipe, them I would
close off the opening with brick. First make sure there are no leaks.


--
Anthony Ippolito
Providing Architectural Drafting & Design
For Over 40 Years
ippolitoa@bellsouth.net

>I have a kitchen wall with a window on top, below the window are 8"
>concrete blocks.
>
> I will be installing a kitchen sink and dish washer along that wall, so I
> broke the wall on one side to run the 2" PVC pipe to a vent stack to the
> right. The PVC pipe run is over 4 feet long, and in order to run that
> pipe and the one below for the dish washer, I had to literally break off
> one side of that concrete wall, so that resulted in half the length of
> that wall being supported now with just the outside face of the old
> concrete blocks. See the picture:
>
> http://i173.photobucket.com/albums/w67/143house/kitchen/P1020499.jpg
>
> Any idea what is the best way to patch it up? Do I get 4" thick blocks
> and built up the front side? Do I frame 2x4s to support it? Do I use ply
> wood to cover the front side and pour solid concrete?
>
> Thanks in advance!
>
> MC
>



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