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: 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 ...

Q. We closed on our house in March 2010, and the first thing we did was install a new asphalt shingle roof. Last fall, when I was cleaning my gutters, I noticed exposed wood/sheathing where the cedar ...

Q. I had a home built this year and decided to have it inspected. The inspector found a problem with the “counter flashings,” which he said were improperly installed. The metal flashings are on the ...