Do the same for sidesplash.
Removing bathroom sink from wall.
Then you can disconnect all the plumbing below your sink.
Place a small bucket on the floor beneath the water valves to catch any water left in the lines then disconnect.
In a typical bathroom.
And water cut off valves are on the hot and cold water lines coming out of the wall.
Then place a bucket under the sink to catch any water remaining in the pipes as you disconnect them.
How to remove a wall mounted sink step 1.
Disconnect plumbing begin by turning off the hot and cold water shut off valves that are located beneath the sink.
Removing backsplash use a razor knife to cut through caulking between the top of the backsplash and the wall.
If you want to remove the wall behind a bathroom sink but you plan to leave an existing commode or tub shower in place you must make provisions to vent those fixtures.
Loosen the p trap.