This Old House Hour Season 1 Episode 19 Episode 19

Carpenters work outdoors in winter to install cedar siding in the kitchen that's being renovated in Lake Forest, Ill. And inside, plumbing-heating expert Richard Trethewey shows off the radiant-heating system he installed under the floor and in the walls of the greenhouse turned eating nook. Meanwhile, there's good news and bad news regarding the steel beam that was placed under the kitchen floor. It did level the bumps, but it caused plaster to crack elsewhere in the house. Also: host Steve Thomas tours a 1911 Lakefront mansion.