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.

Roof installation problems often remain hidden for years because surface materials can appear intact while key details ...

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 ...

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, 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 ...

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 ...

After 10 years in print journalism, Nick transitioned to the home improvement space. He has specialized in maintenance, mortgages, home warranties, moving, car shipping, home security and more for 7 ...

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 ...