Asphalt, wood shakes, slate and other overlapped roofings are fine until they meet an obstruction. Up against a dormer, a vent pipe, a chimney, they need flashing — a patchwork of metal sheets, and ...

Plumbing vent flashings are notorious spots for roof leaks. If you have a leak in the general area of a plumbing vent, check the condition of the vent flashing. Look for rust holes or gaps around ...

This video demonstrates how to install a plumbing pipe boot flashing on a ribbed metal roof. We use Butyl Tape as the primary sealant and Sashco Lexel for added protection. A simple and effective ...

Q: I was looking at my roof and I noticed a dark streak where two roofs meet and form a valley. I had a contractor friend check the shingles and he said I had a couple of years left before the roof ...

Several weeks ago, I wrote about the different types of roofs you can use on your home. I should have realized it would create a tsunami of help requests regarding roof leaks at my “Ask Tim” page on ...

Asphalt shingle roofs are popular but can develop leaks over time. Understanding common causes helps homeowners identify and address issues early. Here are the top 10 leak sources and solutions, ...

Several weeks ago, I wrote about the different types of roofs you can use on your home. I should have realized it would create a tsunami of help requests regarding roof leaks at my “Ask Tim” page on ...