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How to Replace Granite Bathroom Coutertops


by DoItYourself Staff

what you'll need

  • New Granite Countertop
  • Wrench
  • Acetone
  • Towel
  • Putty Knife
  • Screwdriver
  • Rope

Granite bathroom countertops add charm and class to any bathroom. They are also very easy to clean and maintain and resistant to staining. If you already have granite countertops but want to renovate your bathroom, the following steps will guide you through removing your granite bathroom countertops and getting ready to install new ones. This process will take a few hours, so plan ahead and make sure you have someone nearby to help as needed.

Step 1: Shut off Water

Turn off the water to your sink, either under your sink at the home water valve. The valve should be outside the home or in the basement and cut off all water to the entire house.

Step 2: Disconnect Plumbing

Use a plumber's wrench to detach the pipes under the sink.

Step 3. Remove Faucet

Under the sink, use a pair of pliers to disconnect the water lines near the top, where they attach to the faucet. At the bottom of the faucet, there are two posts where the water lines were connected. Above the water line connection is a nut, which you need to remove with a wrench. Wiggle the faucet gently to break the seal from the surface of the sink, and lift the faucet straight up. Carefully place aside. Note: Use a towel under the sink in case any water left in the pipes leaks out.

Step 4: Remove Sink

Once all the plumbing is disconnected, you will have an open working area underneath the sink. You will need a helper through this process as you remove the sink. Insert rope through sink drain and and tie the rope around the sink. This will hold the weight of the sink as you loosen and remove sink clips. Work a putty knife or utility knife around the rim of the sink to loosen the glue/seal that holds the sink to the countertop. There may also be clips under the sink holding it to the granite top, so locate and remove each of them with a screwdriver. Start with the edges of the sink, then move to the rear and front. Your helper will need to adjust their hold as you unscrew the sink from the countertop. Once the sink is loose, angle and maneuver the sink through the hole in the countertop and place carefully aside.

Step 5: Remove Countertop

Once the sink is out of the way, you will need to remove the sealer around the granite with acetone or a similar agent. Apply the acetone a small area at a time, keeping it wet for several minutes then wipe with paper towels to remove the sealer. This is going to be a bit tedious process, but it is important to be accurate. When you are ready to lift the countertop, make sure there is at least another person around to help, as granite bathroom countertops are extremely heavy.

You now have a clean working area to get ready to install your new bathroom granite countertops.

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