How Do I Install a Toilet Flange Adapter?


A toilet flange is something that most people never see. The flange connects the bottom of the toilet to the home's drain pipe. There are two bolts that secure the base of the toilet to the flange. In some homes, the flooring may be too thick and the flange does not protrude far enough above it for the toilet to connect. In these situations, a toilet flange adapter must be used to allow the toilet to connect to the flange.

Things You'll Need

  • Putty knife
  • Mineral spirits
  • Old rags
  • Caulk gun
  • Silicone caulk
  • Utility knife
  • Clean the top of the existing flange using a putty knife to scrape off any wax or caulk. Use mineral spirits and old rags to thoroughly wipe off the flange.

  • Load a tube of silicone caulk into the caulk gun, and cut the end at an angle using a utility knife. Place a bead of caulk around the edge of the old flange. Ensure that you do not get any caulk in the slots for the bolts. Let the caulk dry until it is slightly sticky, about 10 minutes.

  • Place the flange bolts into the slots on either side of the flange. Install the flange bolts with the threads pointing upward.

  • Hold the flange adapter over the existing flange and line up the flange bolts with the holes in the adapter.

  • Place the flange adapter on top of the existing flange ensuring that the bolts protrude through the holes in the adapter. Wriggle the adapter to ensure a more even distribution of the caulk.

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  • Photo Credit Creatas Images/Creatas/Getty Images
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