If unsure, use a moisture meter to determine if your home’s moisture levels are within normal parameters.

Use an infrared camera to look for leaks behind walls and ceilings.

For example,a leaky roofsometimes presents itself with water streaming down the walls.

wall water leak

VEX Collective / Getty Images

Wait three hours, and recheck the water meter.

If water usage increases, it’s a sign that the leak is coming from indoor plumbing.

Exterior Above-Grade Issues

If indoor plumbing isn’t the issue, move your inspection outside.

Repair The Leak

If your detective work has paid off, you know where the leak originated.

It’s time to make the repairs.

If you find a water leak inside the wall, you have more than a simple plumbing repair.

It may be time to call in the pros.

Then,the wall needs patching, sanding, priming, and painting.

A professional contractor is your best bet if you have plaster or the leak is behind tile or brick.

Check gutters, downspouts, caulking seals, and the roof.

Exterior Below-Grade Leaks

Exterior below-grade leaks are often the toughest to diagnose and repair.

Tip

Not all walls that have experienced a leak need replacement.

You will likely need paint to cover any water spots.

Prevention

Homes require timely inspection and maintenance to prevent leaks in the future.

Prevent or spot potential issues before they occur.

Here’s how:

In addition to regular maintenance, it’s possible for you to: