How to Fix Vanity Top Not Sitting Flush Against the Wall?

9 September 2025 3 answers
Asked by CuriousCat98
I just bought a Glacier Bay vanity from Home Depot, but the vanity top isn't flush with my drywall. There's a slight bow in the drywall, which is made worse by the vanity top's curve that protrudes more at the bottom. I'm considering a few options: 1. Cutting into the drywall near the bottom center of the vanity top, 2. Sanding down the bulging part of the vanity top, or 3. Exchanging it for a potentially flatter one. Any advice would be appreciated!

Answers

FixItFelix74
You could also think about adding a backsplash. It not only covers up that gap but also looks nice and gives you that finished look you want for your vanity.
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HandymanHero42
Honestly, the simplest solution is probably to exchange the vanity top for a flatter one. Bring a yardstick to check the straightness of the new options and make sure it fits properly before you buy. If a new one still isn’t a perfect fit, then you might need to sand or cut a bit more, but starting fresh is your best bet!

DIYDiva21: Great tip on bringing a yardstick! It's always good to have a straight edge when checking for fit.

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RenovationRanger34
Don't forget about using silicone caulk! It helps seal the edges to prevent water from getting in, and it can cover up some imperfections. Just ensure it's applied neatly!
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