What can I use to bring my brick walkway back to life?

— Joanne Vanderwood Utica, NY

Answered by Edward Wright on August 22, 2012

Could my indoor plants be the reason for mold in my house?

— David Robert Jones Bucyrus, KS

Answered by Edward Wright on August 22, 2012

Is TPO Olefin toxic? I am looking for non-toxic window shade fabric.

— Andreas Tampa, FL

Answered by Edward Wright on June 12, 2012

I am trying to find as low a VOC wood floor as possible.

— Annie Torsiglieri Goleta, CA

Answered by Edward Wright on June 12, 2012