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 ...