How do you remove moss from an asphalt shingle roof?

— Fred Ogg Waterford, MI

Answered by John Schroeder on August 19, 2013

I have a roof leak. The roofer said that the cause is ants. Is this possible?

— Linda Colella Daytona Beach, FL

Answered by Sean Lintow Sr on August 12, 2013

Do cool roof asphalt shingles make sense in our cold climate area?

— Lia Monahon Everett, MA

Answered by Michael Holcomb on May 13, 2013

Is there formaldehyde in roofing materials?

— annette littman Bethany, CT

Answered by Sean Lintow Sr on April 1, 2013