Installing stone veneer; retrofitting HVAC ducts

Landscape contractor Roger Cook helps a homeowner install stone veneer over an ugly concrete retaining wall. Then, Roger, host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva ask, "What is it?" Up in the loft, Richard shows Kevin how to retrofit dampers in forced-air HVAC ducts. Next, Tom shares a viewer tip on how to get the most from a can of insulating foam.