Q I have been getting estimates to replace the roof on our home. Some don't want to remove the shingles while others say they will not place new shingles over the old ones. The prices are several ...

Johnathan C. Brewer II is a licensed general contractor specializing in kitchen, bath remodels and general construction with two decades of professional experience. He is also the owner of Brewer ...

Q. Many roofs in my neighborhood, mine included, are covered with black streaks. What's causing this to happen, and can the roofs be cleaned? I'm able to walk on my asphalt shingle roof with ease, but ...