Should we spray the crawl space under our house with a fungicide?

— Sharon Haislip Brookline, MO

Answered by Danny Kelly on September 9, 2011

What is the safest insulation for a home?

— Tabitha Myerstown, PA

Answered by Danny Kelly on January 7, 2011

Can you offer feedback on an idea for insulating my home's walls?

— Ron Beck Appleton, WI

Answered by Danny Kelly on December 2, 2010

The attic in our 2004 house has no insulation. Will spray foam irritate my asthma?

— Marie Richmond Hill, GA

Answered by Danny Kelly on December 2, 2010