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Old 02-03-2013, 01:21 PM   #16
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Cutting channels in concrete wall?


It's still going to stick out like a sour thumb, and could certainly chip off, unless you intend to set it back an inch or so. To me it seems like a lot more unwarranted work than it needs to be, with little gain.........

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Old 02-03-2013, 01:38 PM   #17
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Cutting channels in concrete wall?


Thanks for the feedback on the walls. We looked up the wiremold. That's probably what we'll go with if running electrical inside the walls isn't an option, which is starting to look like the case.

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Old 02-03-2013, 02:59 PM   #18
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Cutting channels in concrete wall?


Had a good conversation with the husband, and we decided Mike's idea of the foam/drywall combo is our best bet. It'll give us insulation, hide the wiring and have the added bonus of covering up all the old embedded outlets. It'll probably take us no longer to do than cutting channels and trying to embed conduit and be a lot less of pain. We hate to cover up walls we just repainted a few years ago, but frankly, paint is dirt cheap in terms of home improvement. Live and learn. Thank you all so much for helping us figure out how to do this properly.

But of course that leads to further questions. We're definitely using foam on exterior walls for insulation, but it necessary to use it on interior walls? We're thinking about just securing 1x2s (or something like that) to the interior walls at the standard stud spacing, and attaching the drywall to that. Also, we're probably going to keep the original concrete uncovered in part of the kitchen. We just installed a a new tile backsplash on that concrete a few weeks ago. Fortunately, it's on interior walls. We're thinking about drilling a hole straight through the concrete to the existing imbedded electrical boxes and running the wires up the opposite side of the wall, which will be covered by drywall. Would that work?

ETA: One more question about the romex. If we surface mount the romex, do we have to make cuts or something in the foam sheeting to allow for it, or can we install directly over the romex without a problem?

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Old 02-03-2013, 07:20 PM   #19
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Cutting channels in concrete wall?



These work quite well.
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Old 02-03-2013, 11:03 PM   #20
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Cutting channels in concrete wall?


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Originally Posted by joecaption View Post
The trick of a true craftsman is when you screw up you make it look like it was suppost to be that way.
Actually, I'd say the sign of a true craftsman would to be humble enough to take it apart and build it the right way, like you should have done the first time, regardless of how much time & money it costs you................
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Old 02-05-2013, 11:35 AM   #21
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Cutting channels in concrete wall?


I know I'm a bit late to the party, but I'd still like to add my 3.4 cents (that's 2 cents, adjusted for inflation).

I tried to DIY some concrete drilling for work. After renting the equipment (not cheap), we hit some rebar and stuck the drill. We ended up calling a sawing/drilling company anyway (so the could finish the job and get the bit unstuck), and it would've cost about the same as rental on the equipment.

The moral of the story, when it comes to making holes or cuts in concrete, call the pros. It'll actually save you money.
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Old 02-05-2013, 01:52 PM   #22
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Cutting channels in concrete wall?


you probably ran into ' edge steel ' where the bit slightly contacts a vertical bar & tries to core down thru it,,, sooner or later that sliver of steel breaks of & you wind up w/a stuck core bit,,, don't ask me how i know this but its fairly common in coring steel reinforced conc

usually you have to unthread the bit & get a bf crescent wrench incl a pipe persuader extension,,, its not unusual to lose some ( or even all ) segments when backing out a stuck bit so that's more shop time silver soldering on replacement segments

if anyone still wants to make parallel cuts, csunitec offers a 5" ( i think ) dble blad'd saw that takes diamond blades which is made just for this purpose,,, OR you can buy mine

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Old 02-05-2013, 04:27 PM   #23
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you probably ran into ' edge steel ' where the bit slightly contacts a vertical bar & tries to core down thru it,,, sooner or later that sliver of steel breaks of & you wind up w/a stuck core bit,,, don't ask me how i know this but its fairly common in coring steel reinforced conc

usually you have to unthread the bit & get a bf crescent wrench incl a pipe persuader extension,,, its not unusual to lose some ( or even all ) segments when backing out a stuck bit so that's more shop time silver soldering on replacement segments


That's exactly what happened. The sawcutter we had come out got it out with his drill, which was much better than the one we rented.

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