The San Francisco House - 3 This Old House : Season 19 Episode 22

The show opens at a spectacular spot: the top of the north tower of the Golden Gate Bridge, 48 stories above the Bay. At the site, Richard Trethewey shows the recycling Dumpster - almost everything coming out of the job is reclaimed at a facility across the Bay. In the basement, Richard gets the underfloor heating story from Larry Luttrell, who is using a aluminum plates to direct the heat up through the chapel's old wood floor. Our host meets mason Jim Dayton, who explains the workings of a modern Rumford fireplace, while the master carpenter sees the framing work of Jim Pitcher and crew up on the second floor. Jim shows a rigid 3-4-5 framing square he's using, then we catch up with the window manufacturer's rep Glenn Eige to see the features of the new windows, including sound-deadening and infrared blocking. Richard visits a Berkley salvage yard where Mark and Laurie Ann have picked out some vintage fixtures, including two stunning lavatories. Back on the site, general contractor Da