At what point does U value really matter?

— John Henderson Houston, MO

Answered by Edward Wright on November 5, 2014

Should I add fiberglass or cellulose to my attic insulation?

— Marsha Broomfield, CO

Answered by Edward Wright on October 19, 2012

Can you recommend a green/odorless alternative to Kilz?

— Ann Morgan Shavertown, PA

Answered by Edward Wright on October 3, 2012