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Upstairs Toilet Leaking Through the Ceiling?

An overflowing toilet, a failed wax ring, or a cracked supply line upstairs can send water into the ceiling below. Here’s how to limit the damage.

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Do These 3 Things First

  1. Turn off the toilet’s water
    Turn the small valve behind the toilet clockwise. If you can’t find it or it won’t turn, shut off the main water valve.
  2. Don’t flush again
    Each flush can push more water into the floor and ceiling. Don’t use the toilet until it’s repaired.
  3. Clean up and document
    Put on gloves and wipe up water around the toilet, put a bucket under the drip downstairs, and take photos of both rooms.

Mistakes That Make the Damage Worse

  • Flushing again to see if it’s still leaking
  • Ignoring a small stain that keeps growing
  • Leaving wet insulation in the ceiling to dry on its own

Common Questions

Is toilet water dangerous?

Water from an overflowing toilet can contain bacteria. Wear gloves and avoid skin contact. If the water is dirty or came back up from the drain, have a professional handle the cleanup.

Who should I call first?

A plumber can fix the toilet. A water damage restoration provider can dry the ceiling and floor below.

Need help drying things out?

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