What is the recommended gap from the bottom of an interior door to the floor, to ensure proper airflow into a room?

— Toby Broemmeling Spokane, WA

Answered by Harold Remlinger, AIA, LEED AP, NCARB on November 28, 2011

What materials should I use for an eco friendly house I am designing?

— stephanie Vrahnas Tampa, FL

Answered by Polly Osborne, AIA, LEED AP on November 22, 2011

What is the most reliable, user-friendly, low-VOC, water-based concrete stain available?

— Danna Groden Overland Park, KS

Answered by Joel Hirshberg on November 22, 2011

Are engineered wood products from Decorative Flooring, LLC (Decor Flooring) a low VOC product? What is the E0 grade of GB/T9846.1-9846.8.2

— Noble R. Abdullah Spring, TX

Answered by Joel Hirshberg on November 21, 2011

Is a strong cat urine odor harmful?

— marie NAVARRA Willamina, OR

Answered by Maggie Michel LEED AP on November 21, 2011

The shower in the rear of my ranch home takes a long time to get warm water. Would a recirculation unit fix the problem?

— Mr. Kaye Don Haught Mooresville, IN

Answered by Ted Kidd on November 21, 2011

Should the attic be vented or unvented in a new home with spray foam?

— Jevon Warner Robins, GA

Answered by Ted Kidd on November 21, 2011

Will insulating the basement walls make a noticeable difference in the floor temperature of my 100 year old frame house?

— Rosa Chicago, IL

Answered by Ted Kidd on November 21, 2011

Is simulated hardwood that is about 2 years old safe for a chemically sensitive person to live in?

— Margaret Lampasi South Glens Falls, NY

Answered by Liberty Phoenix Lord on November 17, 2011

What can I do to avoid noise from the circulator pump in my hot water radiator?

— Felix San Antonio, TX

Answered by Jeremy Smith on November 17, 2011

 

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