installing pre-formed countertop on uneven wall

Old 09-09-02, 09:29 PM
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installing pre-formed countertop on uneven wall

Hello all, first time homeowner and we are updating some areas and the guest bathroom is the current job. I tore out the old mirro vanity and countertop and purchased a vanity and preformed marble(like) countertop. I tried to install the countertop however the main wall for the backsplash is sunken in almost 1/2" in the center of it. The right and left rear edge hit the wall but the front right edge does not sit flush with the side wall either. So I have the center of the backsplash that does not reach the wall nor the front side of the counter top. I tried building up the back wall with joint compound but still have a ways to go. I can't really build up the side wall because of 2 outlets/recepticals. I read about scribing but I think the top would look horrible with such an obvious curve and HomeDepot believes the countertop manufacturer makes a side splash but doesn't carry it as of today. The edges are slightly rounded and may be an issue without a side splash.

So any ideas? How can I get this marbled baby plumb when the walls are unven and not squared? Thanks.
Old 09-11-02, 06:07 PM
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installing pre-formed countertop on uneven wall


Since you are trying different things, have you ever thought about a moulding to be placed on top of backsplash, 3/4"?

Would you have room underneath your outlet/switch covers?

Drawback to this is, it will be noticeable on top of the backsplash but you would cover the gap. You have to make a compromise somewhere, basically bite the bullet, scribe or keep building out the wall!

Good Luck!
Old 09-11-02, 06:32 PM
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Yea that was suggested to me. 2 things that made it unappealing, 1) the molding would have to curve to match the wall and would therefore make the straight line of the backsplash really stand out-which i think would be ugly and 2) as you stated, would look awkward having molding on top of the backspalsh.

What we decided is to build up the back wall with joint compound and get a custome made cultured marble counter to curve with the side wall while returning the Home Depot counter. The backsplash will be plumb and the side should be ok with the side splash, tho i may have to build up slightly to hide the gap that may be visible from the front view.

Hopefully, this will work out and won't look thrown together

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