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 ...

Learn how to install a plumbing pipe boot flashing on a ribbed metal roof using a simple, effective method. This video demonstrates the full process, including the use of Butyl Tape as the primary ...

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 ...

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 ...

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 ...