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 ...

Dear Olivia: It would have been much better if the contractor had used durable tin or copper for that low roof initially, but those materials are much more expensive than asphalt rolled roofing. With ...

Question: I have an older house. The attic was converted into a Cape Cod-type bedroom for children. The old asphalt rolled roof is leaking again. What do you suggest as the best method to fix it?