Ask This Old House: Season 2, Episode 23

2 - 23: Radiant Heat; What Is It? Prep Aluminum Siding for Paint

Richard Trethewey removes a baseboard heater to prepare for a complete remodeling of his bathroom. Richard returns to help the homeowner install radiant heat. The guys ask "What is it?" Painting expert Jim Clark helps a homeowner prepare his aluminum siding for a brand-new paint job.