How much does it cost to fix leak under kitchen sink?
Sink Repair Job Average Cost
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Clearing and repairing pipes $120 - $170
Stopping a dripping faucet $65 - $150
Fixing sink surface problems $100 - $200
Replacing a sink or faucet (installation costs only) $150 - $400
How do I seal the plumbing under my sink?
https://www.youtube.com/watch?v=Q5le2ZFCQjM
When should you not use plumbers putty?
Do not use plumber's putty where you need adhesive strength (to bond materials or prevent them from moving) or where you need a watertight seal in exposed areas.
What do plumbers use to stop leaks?
Plumber's putty
Can I use plumbers putty instead of duct seal?
This material is moldable and easy to work with, allowing for versatile application in many areas of the home. Plumber's putty repels water easily to create a watertight seal, but is not meant to seal off areas subject to significant water pressure.Jan 6, 2016