How To Handle A Hump In The Wall - Tiling - Contractor Talk

How To Handle A Hump In The Wall

 
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Old 05-30-2018, 10:24 PM   #1
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How To Handle A Hump In The Wall


MBA with a 9’ shower/drying area with an adjacent 11’ vanity and one piece mirror to the left.

The white line represents a high spot due to construction where the wall juts into the room by 3/8”. The wall to the left and to the right are fairly in plane, meaning that single jack/king stud isn’t proud, it’s like a pivot point.

Wondering what other strategies are out there to deal with this.

The tile on this wall is a 3x5 subway, so I can lose the difference gradually. If it were a 24” wide running bond, it would need to be a flat wall.




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Old 05-30-2018, 10:47 PM   #2
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Re: How To Handle A Hump In The Wall


Plane the offending stud down to plane either with a power planer or some type of saw you are comfortable with.

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Old 05-30-2018, 11:11 PM   #3
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Re: How To Handle A Hump In The Wall


I would use cardboard drywall shims.

Start with one shim (about 1/16" thick at the stud close to the pivot point then two at the next stud 16" away etc. you would end up only about 1/8" out of plane by the time you are done then use the board you intended to on the wall for the tile.

If you are not using board and you are floating the wall then, why are you bothering us? Haha.

Andy.
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Old 05-31-2018, 06:27 AM   #4
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Re: How To Handle A Hump In The Wall


I agree with Andy. Except, I would probably shim the 1st stud left to the same plane as the offending jack stud, maybe a 1/16 th less. Then I'd stim the last 2 very slightly , leaving a deep recess where the old an new rock come together. I'd fill that recessed butt joint full. And the I would hop it would get lost in the mirrors shadow line. Because any arc in the subway tile is going to show from the counter, no matter what.

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Old 05-31-2018, 06:32 AM   #5
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Re: How To Handle A Hump In The Wall


If it is just one stud, I would agree with griz and plane it down with a power planer (my cheap Robin works very well at this task).

Otherwise, I would suggest ripping some 1 1/2" or 2 inch wide strips of plywood of different thicknesses. Put a long level horizontally across the studs and "pack-out" each of the adjacent studs so that you get a flat plane. I rehab my rental properties, and always have cutoffs of plywood left at the end. For the ones that are 4 foot long or longer, I rip them into strips, specifically for this purpose, rather than throwing them away. To me, this is better and easier than cardboard shims.

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Old 05-31-2018, 07:02 AM   #6
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Re: How To Handle A Hump In The Wall


Sounds like it’s the areas to either side of the lines that are off from each other, not one stud.

If the area to the right of the line is the high area shim the area to the left of the line to be on plane with it. Work to get the wall on plane to the high area, it is much easier than trying to get the high area back to the low area.

Use a vertical plane laser aligned to the high area. Place screws in the top and bottom plates aligned to the laser plane, shim between the screws. Other option is wet shimming the board.

Is that large window in the shower area? Appears to me it will be with the mixing valve location.

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Old 05-31-2018, 10:36 AM   #7
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Re: How To Handle A Hump In The Wall


It’s not one stud, more like two straight walls that meet at the white marked stud. The header is straight.

I tried to talk him out of a window or at least putting a window high on the wall. An acrylic glass block window is going in place of the picture window.




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Old 05-31-2018, 10:50 AM   #8
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Re: How To Handle A Hump In The Wall


3/8 inch out on one stud, studs exposed as shown, I'd plane that wall with a sledgehammer.
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Old 05-31-2018, 03:24 PM   #9
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Re: How To Handle A Hump In The Wall


Its one stud. If you cant plane it, cut the nails top and bottom with a sawzall, cut the stud in half and replace it.

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Old 05-31-2018, 06:22 PM   #10
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Re: How To Handle A Hump In The Wall


Is this a reading comprehension test? Because the results are not that good.

It's a bit unusual for a wall to be this way. Both the top and bottom plates change direction at the same spot? If so, shimming backer is your best bet.
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Old 05-31-2018, 06:26 PM   #11
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Re: How To Handle A Hump In The Wall


How about a wet bed wall? 3/8" is nothing to get flat as a pancake.
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Old 05-31-2018, 07:26 PM   #12
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Re: How To Handle A Hump In The Wall


Quote:
Originally Posted by hdavis View Post
3/8 inch out on one stud, studs exposed as shown, I'd plane that wall with a sledgehammer.
I was thinking that, but the window being there would make me a little nervous

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Old 05-31-2018, 08:10 PM   #13
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Re: How To Handle A Hump In The Wall


I’m sure someone noticed the 2” vent pipe in the 2x4 wall. I typically see the wall jacked up around vent pipes coming out of concrete, don’t think that’s the issue on the second floor.

Kerdi Board is up and I got it pretty flat considering. Another example of the screwed up framing: the closet wall next to my board is 5/8” out in 8’. Since it’s going to have the edge of my tile I’ll reset the door and float the wall.

Yes, I double checked my jamber to ensure it wasn’t screwed up






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Old 05-31-2018, 08:17 PM   #14
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Re: How To Handle A Hump In The Wall


Quote:
Originally Posted by rblakes1 View Post
I was thinking that, but the window being there would make me a little nervous

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LOL, I don't get nervous that easy. Windows aren't usually that fragile.
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Old 05-31-2018, 08:48 PM   #15
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Re: How To Handle A Hump In The Wall


Quote:
Originally Posted by hdavis View Post
LOL, I don't get nervous that easy. Windows aren't usually that fragile.
I said it would make me a little nervous, not a lot nervous lol

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Old 05-31-2018, 09:01 PM   #16
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Re: How To Handle A Hump In The Wall


I would just shim the whole wall.
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Old 05-31-2018, 11:14 PM   #17
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Re: How To Handle A Hump In The Wall


Out of curiosity, what's with the sleepers?

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Old 06-01-2018, 08:09 AM   #18
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Re: How To Handle A Hump In The Wall


Lowered the floor by 3/4” and extra bracing was installed. Won’t get me zero access, but a 1-1/4 closer to floor height.


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Old 06-01-2018, 11:10 AM   #19
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Re: How To Handle A Hump In The Wall


Im with the planing idea as well. What was there before? Cement board or a mud wall?
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Old 06-02-2018, 10:53 AM   #20
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Re: How To Handle A Hump In The Wall


Quote:
Originally Posted by madmax718 View Post
Im with the planing idea as well. What was there before? Cement board or a mud wall?


32” shower on the left with a 72” tub on the right. I think this corner of the house got racked during framing.


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