re-roofing Articles

Metal Over The Old Roof

August 4, 2009

Q: I currently have 2 layers of shingles on my house. I live in south western KY and the house is subjected to lots of thunderstorm with high winds, hail, and heavy rains. We also have several tornadoes. My roof has a lot of wind lift from the last storms that went through and now… ( read more )

Roof Algae: What Is That Stuff On My Roof?

July 8, 2009

As asphalt and fiberglass shingles age, they can sometimes develop streaks of discoloration. This is especially prevalent in damp climates or shaded areas. While these streaks are often seen as a sign of aging of the roof, they are actually biological growth. As dirt accumulates on standard shingles over time, it gets stuck in the… ( read more )

Finding a Metal Roofing Manufacturer

June 10, 2009

Q: I am very interested in having a steel roof installed on our home. We are looking at a local company that carries a manufacturer called Akzo Nobel. I did not see them listed in your manufacturers, so I was wondering if their products are any good? It says they offer a 40 year paint… ( read more )

Can Metal Be Installed Over Two Layers?

June 9, 2009

Dean wrote and asked me: Q: My cottage has one layer of shingles. But my detached garage has two layers. They are getting very old with mold growing on them and are curling in spots. Is it advisable to install metal shingles over the existing layers of asphalt singles? I responded: A: The low weight… ( read more )