Flashing is a good way of preventing water from entering a dwelling at the point where the roof meets the walls. To begin the installation, fold a five-by-seven piece of aluminum flashing lengthwise.

Hail can pummel a car, lawn, or roof in a matter of minutes. Protecting your roof from damage involves several proactive ...

Q: I need a new roof and am in the process of getting estimates. Currently there are three layers of shingles, which I am told is the limit. I can't decide whether to tear off the entire roof, adding ...

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 ...

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 ...

Q: Tim, I really need your help. My roof is leaking, and my last attempt to get it repaired was fruitless. It rained again and water still came in. Where do most roof leaks happen? Is it OK to use ...

Q-Last year I added a room to the back of our house and ever since have had trouble with roof leaks from where the flat roof on the new extension meets the existing wall of the house. I installed ...