Today Jim Braude and Margery Eagan  marked the 35th season of This Old Housewith the show's host Kevin O'Connor and their resident plumbing, heating and cooling expert Richard Trethewey.

Kevin and Richard were good enough to take Jim and Margery's home improvement questions, as well as  calls from listeners.

To learn more about the wonders of spray foam insulation, the criteria for the perfect treehouse, and how Kevin O'Connor  gives Ken Burns the Charlie Rose treatment (talk about a public broadcast turducken!), have a listen below.