Roof installation problems often remain hidden for years because surface materials can appear intact while key details underneath are incorrect. Small mistakes in nail placement, flashing alignment, ...

Q. My tile roof is leaking in an unusual way. No moisture is getting into the house, but I've seen water running from beneath the tiles at the edges of the roof. When I bought the house, my home ...

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 ...

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 ...