How to Replace a Bathroom Vanity | This First House

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A first-time homeowner has his bathroom vanity and counter replaced for more storage and a higher-end finish. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse. Having a bathroom vanity replaced can be a relatively quick way to boost the room’s storage and style. When first-time homebuyer Jorge grew tired of his small vanity, he opted to have a larger one with a marble countertop installed. You will need: Adjustable wrench Utility knife Drill with driver bits Prybar Tape measure Oscillating tool Caulk gun Bathroom vanity Construction screws Countertop Faucet Supply lines P-trap How to Install a Bathroom Vanity 1. Start by shutting off the water to the faucet. While doing so, take note of the age of the shutoff valves and how easy they operate, as this is also the time to replace aging valves. 2. Disconnect the supply hoses from the shutoff valves and remove the p-trap from under the sink. 3. Cut the caulk between the wall and the existing vanity and countertop with a utility knife. 4. With the hoses, trap, and caulk removed, carefully lift the existing countertop out of the vanity and remove it. 5. Remove the screws holding the vanity to the wall and remove any trim trapping the vanity cabinet in place. Once free, remove the vanity and clean and vacuum any debris left behind. 6. Measure the overall width of the new vanity and mark baseboard at this measurement from the wall, leaving a bit of wiggle room. For example, if the cabinet is 42 inches wide, measu

Published 2026-07-11 · Watch on YouTube ↗
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