/Hurricane-Consequences

Fixing Under-Sink Leaks from Storm Impact

Expert guide on fixing leaking sinks. Learn common causes and easy DIY fixes to stop drips, save water, and prevent damage.

Reviewed by Content Team

Head of Content, D. Gorenko

Updated June, 5

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How to Fix Leaking sinks

 

Immediate Steps to Take

 

When you notice a leaking sink, the first thing you should do is shut off the water supply to prevent further damage. Locate the shutoff valves under the sink and turn them off. Next, place a bucket or bowl under the leak to catch any remaining water and use towels to soak up any spilled water. This helps protect the surrounding area from water damage.

 

Tools and Materials Needed

 
  • Wrench set or adjustable wrench
  • Screwdrivers (flathead and Phillips)
  • Plumber's tape (Teflon tape)
  • Replacement parts such as O-rings or sink drain gaskets
  • Buckets and towels
  • Flashlight or portable light source
  • Sealant, if necessary

 

Step-by-Step Guide

 
  • Turn Off the Water: Begin by shutting off the water supply to the sink. Check that the water is off by turning on the faucet.
  • Inspect the Area: Look under the sink to find signs of water leakage. Check all pipes, connections, and the drain assembly for cracks or looseness.
  • Tighten Loose Fittings: Using an adjustable wrench, carefully tighten any loose nuts or connections. Be sure not to overtighten, as this can damage the fittings.
  • Replace Damaged Seals: Remove any old, worn-out gaskets or O-rings. Acquire matching replacements from a hardware store. Wrap new O-rings with some plumber's tape before fitting them back in to ensure a tight seal.
  • Clean the Area: Wipe away any mineral buildup or old sealant residues from the surfaces. This ensures that new materials adhere properly.
  • Reassemble and Test: Carefully reassemble any parts you removed, then slowly turn the water back on. Check thoroughly to ensure that the leak has stopped.

 

DIY or Call a Pro?

 

If you are comfortable using basic tools and following detailed instructions, fixing a leaking sink can be a manageable DIY project. However, if you are unsure about disassembling parts or if the leak persists even after your repair attempts, it is best to call a professional plumber. This is especially important if you encounter issues that involve the sink’s connection to other plumbing systems.

 

Relevant Professional

 

The professional to contact for sink leaks is typically a plumber. Plumbers have the expertise to diagnose and repair issues with your sink’s water supply, pipes, and seals. If your home is in St. Louis or Nashville, companies like Hoffman Brothers specialize in full-service residential and commercial repairs and can help resolve your leak efficiently.

 

Safety Warnings and Insurance Tips

 
  • Safety Gear: Always wear safety glasses and gloves when working with tools and cleaning materials to protect your eyes and hands.
  • Turn Off Electricity: If your sink is near electrical outlets or appliances, consider turning off the power to prevent any accidental shocks.
  • Insurance Policy: In cases of water damage, document the damage and consult your homeowner's insurance policy to see if repairs are covered.
  • Know Your Limits: If a repair seems too complex or risky, it’s best to hire a professional to avoid further damage or injury.

What Could be Causing Leaking sinks

 

Worn Out or Damaged Washers and Seals

 

One common reason for a leaking sink is the deterioration of washers, seals, and other soft components. Over time, the materials can dry out, crack, or simply lose their shape, which means water can seep out at the joints.

 

Loose or Faulty Fittings

 

If the fittings that connect different parts of the sink or faucet are not tightened properly or have become loose, leakage can occur. The connections between the faucet, handles, and hose are delicate and can wear out with time, leading to gaps for water to escape.

 

Cracked or Corroded Pipes

 

Metal pipes that carry water to and from the sink can develop rust or corrosion. In some cases, they might even crack. This damage creates small holes or weakened spots where water can slowly drip or stream out.

 

Faulty Drain Assembly

 

The drain assembly is another area that can cause leaks if not assembled correctly. Seals or gaskets in the drain area may break down or be installed incorrectly. This misalignment or deterioration provides an opportunity for water to escape into cabinets or onto the floor.

 

Issues with the Connection to the Sink Basin

 

The interface between the sink and the countertop, or between the sink and the wall, might not have been sealed perfectly. If the sealant degrades or was not applied properly, water can seep through and cause damage over time.

 

Problems with the Supply Lines

 

The water supply lines, including flexible hoses or rigid pipes that feed the sink, may develop small holes or may have connections that are improperly secured. A worn-out connection in these lines is a frequent source of leaks.

Sometimes you can even notice these issues in systems of service providers that work in areas like St. Louis and Nashville, where aging infrastructure and daily usage combine to create challenging conditions for even well-maintained sinks.

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