What causes a toilet to leak from the base when flushing?
A toilet leaking at the base when you flush usually means the bottom gasket (wax ring) has failed. It can also happen if the floor flange is damaged or misaligned, or if the closet bolts are loose and the toilet can rock. Leaks show up on a flush because water bypasses the seal under pressure. We inspect seals, the flange, and the bowl-to-tank gasket during repairs or replacements. 24/7 emergency help is available in Roanoke and Rocky Mount.
Quick checks:
- Gently see if the toilet rocks.
- Look for water only after a flush.
- Avoid use until repaired.
Updated: 2026-01-02
Need help in Rocky Mount, VA? Call (540) 234-2001 or book online.
"Anthony repaired the flange on our toilet and reset the toilet with all new parts." — Cat S.
Sources
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