How to install bathroom vanity?
Sources
[PDF] Vanity Installation Guide
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How to Install a Bathroom Vanity and Faucet | STANLEY® Tools
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How To Install A Bathroom Vanity - YouTube
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Answer
Here are the key steps to install a bathroom vanity:
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- Turn off the hot and cold water supply valves under the sink. Open the faucet to release any remaining pressure2.
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Detach the P-trap by loosening the slip nut at the top. You may need to remove the entire trap if rerouting plumbing2.3
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Disconnect the water supply lines from the valves using an adjustable wrench2.3
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Use a utility knife to cut the caulk or sealant that connects the sink backsplash to the wall.3
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Remove the screws securing the vanity to the wall and pull out the old vanity. Repair any wall damage before installing the new vanity.3
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Mark the new vanity's position on the wall using its width and height. Use a stud finder to locate and mark the wall studs within this outline.3
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If the new vanity has a solid back, measure and mark the pipe locations on the wall, then transfer these to the back of the vanity and cut holes with a hole saw.3
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Slide the new vanity into position, lining it up with your marks. Check that it is level and use shims to adjust the height if needed.3
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Attach the vanity to the wall by drilling pilot holes into the nearest stud and screwing it in. Use wall anchors if you can't reach a stud.3
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Apply a thin bead of caulk along the edge where the backsplash meets the wall.3
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Install the faucet according to the manufacturer's instructions. Apply plumber's putty under the drain flange.3
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Reattach the P-trap and water supply lines.3
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Turn the water back on and check for any leaks.3
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References
1. [PDF] Vanity Installation Guide2. How to Install a Bathroom Vanity and Faucet | STANLEY® Tools3. How To Install A Bathroom Vanity - YouTube4. How To Install a Bathroom Vanity - YouTube5. How to install a vanity unit | Bathroom - B&Q
Author: This Old House
Key insights
- It's important to shut off the water supply by turning the shutoff valves clockwise before starting the removal process.
- The countertop is screwed to the base, requiring the removal of a series of screws to take it out.
- The new vanity has wider drawers, which is good news for the user but bad news for the installer as it requires re-piping the hot and cold lines.
- Notching the back of the drain line to fit the backer piece is a crucial modification when replacing a bathroom vanity.
- A silicone bead is used to secure the countertop to the vanity.