A toilet wax ring is a 1-inch thick ring of petroleum wax compressed between the horn of the toilet bowl and the cast iron or PVC closet flange. Its sole job is to maintain an airtight and watertight seal against sewer gases.
Signs Your Toilet Wax Ring Has Failed
- Faint Sewer Gas Odor Near the Bowl: Smelling sulfur near the base of the toilet that persists even after thorough scrubbing.
- Rocking Toilet Bowl: If the toilet moves even 1/8 inch when you sit down, the wax seal breaks and cannot reform itself.
- Stained Baseboards or Grout: Water weeping onto the floor tile during multiple flushes.
Replacing the wax ring with a modern reinforced rubber waxless seal stops odor leaks permanently.