What product can I use to get rid of mold on the cinder blocks in my basement?

— Angela Columbus, OH

Answered by Maggie Michel LEED AP on September 7, 2010

Does insulation containing formaldehyde continue to offgas into the home after the walls are sheetrocked and painted?

— Angela San Carlos, CA

Answered by William Fry on August 30, 2010

What is the healthiest option when choosing a rainwater tank?

— Justine Schenectady, NY

Answered by Lee Hall on August 30, 2010

I was told by the local lumberyard that exterior plywood now has no added formaldehyde. True? I'm in California.

— Marg Hall Berkeley, CA

Answered by William Fry on August 30, 2010

I think we just made a big mistake by putting hardboard paneling in a newly air-conditioned attic space. Will painting reduce offgassing?

— Daniela Dornic Jones Tallahassee, FL

Answered by William Fry on August 30, 2010

The AC supply grille in my daughter's room has dirty, crusty stuff on it. I think it's mold. What should I do?

— Bob Whitson Arlington, TX

Answered by Steve Saunders on August 26, 2010

Where in the Bay Area can I buy lead paint sealer/encapsulant (Lead Stop, Child Guard, LBC or Nansulate)? It's hard to find!

— Aimee El Sobrante, CA

Answered by William Fry on August 24, 2010

How much are we affected by the EMF's coming from cell phones, microwaves and other electronic equipment? What statistics are there?

— Claudia Harmon Worthen Cambria, CA

Answered by William Janhonen on August 9, 2010

We are buying a house with a faint smell of cigarette smoke. How can I rid the walls and ceilings of the smoke smell?

— Stephen Dallas, TX

Answered by William Janhonen on August 9, 2010

Can I use house plants to improve my home's indoor air quality?

— Tom Neff Fishers, IN

Answered by Richard Heller on August 3, 2010

 

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