How to Repair Plumbing With Putty

Written by kelly schuler
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How to Repair Plumbing With Putty
Putty repair needed (change image by fumie from

In an emergency, repairing plumbing leaks with putty can save you hundreds of dollars in repair bills. Use putty to repair lead, steel, brass and plastic drains and water lines. Epoxy putty is the best choice when repairing a plumbing leak that is still wet or under water. You can use putty to repair bathtubs and showers, bathroom and kitchen sinks, and even some appliances like washing machines and dishwashers.

Skill level:

Things you need

  • Sanding cloth
  • Rag
  • Putty
  • Latex gloves

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  1. 1

    Sand the repair area. Use sanding cloth to clean and rough the surface of the repair area. Sand the area in a circular motion, then in a crisscross direction. This will help the putty to better adhere deep into the repair surface.

  2. 2

    Wash the repair area. With a wet rag or using denatured alcohol, wipe the repair area clean of dirt, debris and the fine dust you created from sanding. Allow the area to dry thoroughly for the best repair.

  3. 3

    Prep the putty. Cut or tear just enough putty off the putty stick to cover the break or hole. Wearing latex gloves, begin rolling the putty between your hands. Fold the rolled putty over and continue to roll. Keep folding and rolling until the putty's colour is uniform. It may also feel warm to the touch; this is normal.

  4. 4

    Apply the putty. Form the putty into and around the plumbing pipe break or plumbing repair hole.

  5. 5

    Smooth the putty repair. If you need a smooth finish on your repair, wet your fingers and work the putty from the centre out to feather the edges.

Tips and warnings

  • You will only have few minutes to work with the putty until it sets.
  • Wash your hands as soon as possible; the putty can irritate sensitive skin.

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