Water leaks can be incredibly damaging and expensive. Having these tools can help detect them—and locate their source—before ...

When tracking down a leak, start by looking at the roof uphill from the stains. The first thing to look for is roof penetrations — items poking through the roofing are the most common source of leaks.

That can be rotted away or torn, allowing water to work its way into the house along the pipe. With any of these problems, ...