Backsplash Necessary?


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Old 08-09-12, 08:57 AM
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Backsplash Necessary?

I am having a bathroom vanity countertop fabricated and need to know if a backsplash is necessary. I would rather not install one, but I also don't want the drywall to get ruined from water damage. Another reason is that the back wall is bowed outward about 3/8" so I would have to fill the gap with caulk, whereas if I didn't have a backsplash I can have the back edge of the countertop formed to the wall.
 
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Old 08-09-12, 09:08 AM
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You don't have to have a backsplash but without one it's possible to damage the wall - it all depends on how careful or sloppy someone is when using the sink. Is it feasible to take a belt sander and remove some of the back of the backsplash so it fits better?
 
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Old 08-09-12, 09:17 AM
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Yours would not be the first bathroom where the vanity had to be fitted to a non-straight wall.

I have no backsplash on the counter in my bathroom.
 
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Old 08-09-12, 10:04 AM
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Using a belt sander is not feasible. The gap is just too large. Think I'm going to do without one. As long as I have a good bead of silicone across the back, I think I'll be ok.
 
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Old 08-09-12, 10:07 AM
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Instead of caulking such a large gap, it would be better to install the countertop straight and true, then float several coats of joint compound on the wall about 12" wide, floating the wall out to meet the countertop. It would then appear that the wall is as straight as the countertop is. When you're done, you would only need a very fine bead of caulk. Keep in mind that 100% silicone is kind of hard to paint.
 
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Old 08-09-12, 10:23 AM
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I will be making a template for the fabricator to follow so there will not be any gap between the countertop and wall. Good point--I will use paintable caulk.
 
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Old 08-09-12, 01:15 PM
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And what do I use to secure the undermount sink to the countertop in addition to the provided mounting clips? Silestone recommends a stone adhesive called "Murofix", but I can't find it anywhere. Is there something comparable I can use or will silicone be fine?
 
 

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