Q. We recently had a room addition built onto our home. A valley is present where the addition roof intersects the main house roof. We get a leak in the room under this valley just about every time it ...

Q: I was looking at my roof and I noticed a dark streak where two roofs meet and form a valley. I had a contractor friend check the shingles and he said I had a couple of years left before the roof ...

The dormer requires the person building it to have a complete understanding of roof flashings. Without this, you'll have leaks in your roof for sure. 2. Real or fake ...

Q. The roof on my house is just a big flat area. I've seen similar style houses that have a dormer on the roof. This structure makes the house far more interesting. What does it take to add a dormer ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...

Q. Do you have an opinion on open vs. closed roof valleys? I’ve had six estimates done, and all of the higher estimates cite open valleys (with a metal flashed valley), while the lower estimates cite ...