How to Repair a Leaking Toilet

How to fix the 4 most common causes of leaks under the toilet

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Drill/driver, cordless
  • Locking pliers
  • Hacksaw
  • Hammer drill

1/4 in. masonry bit

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Wax ring
  • Two sets of 5/16-in. diameter water closet bolts
  • Silicone-based caulk, in a color to match the toilet
  • Toilet shims

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