How to Mount a Pedestal Sink


Pedestal sinks have a modern look and are made up of two sections: the sink or basin and the pedestal or base. The base holds up the weight of the basin, with the help of brackets attached to the wall. The pedestal part of the sink is also secured to the floor. You can mount a pedestal sink to the wall with a few basic tools.

Things You'll Need

  • Stud finder
  • Pencil
  • Hand drill
  • Adjustable pliers
  • Caulk gun
  • Caulk
  • Point a stud finder at the wall and mark the wall stud's location with a pencil. Position the pedestal sink against the wall, according to the location of the wall studs.

  • Make pilot holes in the wall with a hand drill for the brackets. Secure the sink brackets to the wall with bolts. Push the bolts through the openings in the sink bracket and the pilot holes. Attach the brackets to the wall studs and use a plumber's level to make sure the sink basin is even. Connect the P-trap to the drain assembly and secure the slip nuts with adjustable pliers.

  • Feed the faucet through the openings in the sink basin. Attach the flexible water-supply tubes onto the faucet's tailpieces and connect the tubes to the shutoff valves. Tighten the nuts with adjustable pliers, turning counterclockwise.

  • Drill pilot holes in the floor for the bolts that secure the pedestal to the floor with a hand drill. Push the bolt into the holes and tighten with adjustable pliers. Connect the supply lines and tighten the nuts with adjustable pliers.

  • Squeeze out a thin line of caulk with a caulk gun around the bottom of the base. Apply in the same manner to the top of the pedestal where it meets the bottom of the bowl.

Tips & Warnings

  • Turn off the water at the home's main water main before you begin working. This is usually in an adjacent room or in the basement, near the water heater. Turn the valve to the right to turn it off. Turn the water back on after you are finished and test the sink.
  • Have another person help with the installation, if possible.
  • Screw support boards into the wall studs in the drywall if it is thin, then secure the sink to the boards. This will add stability.

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