Can you suggest a non-toxic finish to protect a vinyl bar top?

— NANCY PICKARD Beverly Hills, CA

Answered by Polly Osborne, FAIA, LEED AP on January 13, 2012

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 there any toxic volatile compounds in raw linseed oil?

— Evelyn Aron Santa Cruz, CA

Answered by Liberty Phoenix Lord on August 8, 2011