Polyvinyl chloride (PVC) pipes are commonly used for plumbing systems in modern constructions. They are lightweight, non-corrosive and highly durable. However, PVC pipes are not invincible, and leaks can occur. With PVC plumbing systems, leaks typically occur at compromised pipe connections. It is possible to repair PVC pipe leaks temporarily, while the pipe is still leaking, with an epoxy repair putty stick. Epoxy putty starts flexible but dries to the hardness of metal. Be sure to purchase an epoxy putty that is appropriate for plastic and is curable in wet conditions.
- Skill level:
- Moderately Easy
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Things you need
- 80-grit wet/dry sandpaper
- Epoxy repair putty stick
- Pocket knife
Wipe off the area of the pipe where the leak is occurring with a dry towel. Wait for the leak to start again so you can identify the point at which the water is escaping.
Dry the area again then sand it with 80-grit wet/dry sandpaper to roughen up the surface. A rough surface will allow for better adhesion of the putty.
Cut off a 1-inch-thick chunk of putty from the putty stick. Work the putty in your hands until it is soft and pliable.
Dry the area again, then press the putty firmly around the leaking area and into the seam around the fitting. The putty should extend at least 1 inch around the leak.
Cut off and knead another chunk of putty then work it into any remaining exposed seam around the pipe. The epoxy should cure within 20 minutes.
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