How to repair poly pipe

Updated June 29, 2018

Polybutylene, or as it is commonly called, "poly pipe," is manufactured from a plastic resin with high strength. Many homeowners replace copper water pipes with poly pipe due to its ease of use, flexibility, low cost and longevity. Poly pipes can burst or leak if they have ice inside of them for extended periods during very cold winters. The application of a pipe bandage made of the same resin as the pipe will seal leaks or holes in a poly pipe with the same strength as the original pipe.

Turn the water off the to defective pipe area at the main water source.

Wear gloves to protect your hands.

Dry the leaking poly pipe area with towels to remove any excess water.

Fold a sheet of sandpaper into a square. Grasp the sandpaper with one hand and rub back and forth over the defective pipe area. Sand around the entire pipe to roughen the surface in an area the same width as the pipe repair bandage.

Pour water into a bucket. Hold a roll of pipe repair bandage in one hand and immerse it into the water. Pull the roll out of the water and squeeze it with both hands to wring out excess water. Repeat this procedure three times.

Center the loose end of the pipe repair bandage over the centre of the defective pipe area. Hold the loose end with one hand and wrap the roll around the pipe until it makes one wrap. Pull the roll tightly and overlap the bandage. Continue circling the pipe, pulling the roll tightly until the entire roll is on the pipe.

Press the smooth end of the roll at the end firmly into the pipe bandage. Dip both hands into water in the bucket to wet the gloves. Press the bandage firmly into place on all sides. Wet resin will ooze out of the bandage as it installs. Squeeze the resin firmly back into the bandage. Let the repair dry for 30 minutes.

Turn the water source on to the poly pipe.


Work quickly while wrapping the pipe so the bandage does not start drying before the repair is complete. Immersing the bandage in water and squeezing it allows the dry resin particles to get damp and activates their bonding agent.

Things You'll Need

  • Disposable gloves
  • Towels
  • 100-grit sandpaper
  • Pipe repair bandage
  • Bucket
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About the Author

Mary Lougee has been writing for over 10 years. She holds a Bachelor's Degree with a major in Management and a double minor in accounting and computer science. She loves writing about careers for busy families as well as family oriented planning, meals and activities for all ages.