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

— Sharon Haislip Brookline, MO

Answered by Danny Kelly on September 9, 2011

I am concerned about lead. I know our house has lots of it.

— Cari Everett, WA

Answered by Cynthia Phakos on August 22, 2011

Can plaster walls be recycled? I am going to gut re-hab a home.

— Barbara Donahue Sandy Hook, CT

Answered by Kati Curtis, LEED AP ID&C, CID on August 22, 2011