Any advice on installing foam insulation in an RV?

— sandy scott

Answered by Danny Kelly on February 26, 2010

Should I leave an air space between my attic insulation and the wood roofing?

— D.L. Bennett, Arlington, VA

Answered by Mike Binder on March 5, 2009

Can I insulate my roof without destroying the vintage pressed-tin ceiling?

— Betsy Humes, Brooklyn, NY

Answered by Susan Davis on April 1, 2008

What type of roof works best with spray-foam insulation?

— Eleazar, Brownsville, Texas

Answered by Mick Dalrymple on February 21, 2008

Moisture is leaking through our new basement windows. What should we do?

— Laurie Jack, Lloydminster, SK, Canada

Answered by Greg Upwall on February 4, 2008