How can I be sure there is no radon emission from Corian?

— Simone Fitzgibbon Alexandria, VA

Answered by Erik Henry on October 30, 2012

What insulation is recommended for basement walls?

— Martha Rockport, MA

Answered by Erik Henry on October 30, 2012

What types of showers are greenest? We're getting ready to redo the master bathroom.

— Linda J Heuser North Granby, CT

Answered by Erik Henry on October 29, 2012

How can I control moss growing on my roof?

— John Duke Richmond, VA

Answered by Erik Henry on September 11, 2012

How do I reduce the heat entering through top floor windows on the west side?

— Baron Dallas, TX

Answered by Erik Henry on September 11, 2012