Is Delta-FL a safe product?

— Lea Bergenfield, NJ

Answered by Susan Davis on January 18, 2011

Would you put a concrete floor in a senior center?

— Sheri Kuna, ID

Answered by Ryan Flegal on January 5, 2011

What type of area rug is best on radiant-heated concrete floors?

— June East Chatham, NY

Answered by Raymond Pruban on November 14, 2010