What type of carpet or manufacturer of carpet produces the least VOCs?

— Colleen Baxter Stevensville, MD

Answered by Cynthia Phakos on August 8, 2011

For a LEED Gold home, how much insulation is required in roof, walls, and floors?

— Peter Strainer Newburyport, MA

Answered by Cynthia Phakos on July 13, 2011

Does drywall, U.S.-made, outgas? Also, is it termite and mold resistant?

— Eva San Luis Obispo, CA

Answered by Cynthia Phakos on May 12, 2011