This Old House: Season 42, Episode 21 - ProjectFreeTV

42 - 21: The Dorchester Triple Decker: A Project for Every Floor

Kevin finds Tom working with the new apprentices on the front door and learns about YouthBuild.  Tom and Charlie teach them about mineral wool insulation. Homeowner Carol looks at kitchen cabinets and counters. Richard works with James on the three separate HVAC systems.