Steve sees the progress on the new addition, including a roof joist system of 1 x 12 LVLs, necessitated by the room's high ceiling height. Inside, Tom and our master carpenter show him how they are stiffening up a bouncy third floor by sistering 1/8"" steel sheets to the floor joists from below. Richard Trethewey checks out a software program that computes heat loss for our building, as well as projecting heating and cooling costs with various insulation, window, and power plant configurations. One remarkable finding: with the current, inefficient heating plant and standard insulation and double-pane windows operating costs for 30 years would be around $220,000; with expanded-foam insulation, low-e windows, and super-high-efficiency heating equipment the cost would be $75,000. Our master carpenter takes viewers to Portland, Oregon, where a couple has turned passion for period-perfect Victorian restorations into a fledgling business. Finally, the first of the new sliding glass glass door | ||
| Title | : | This Old House |
| First Air Date | : | Jan 01, 1979 |
| Last Air Date | : | Apr 11, 2024 |
| Number of Episodes | : | 1161 |
| Number of Seasons | : | 45 |
| Genres | : | Documentary |
| Networks | : | PBS |
| Casts | : | |
| Alternative Titles | : | This Old House Hour |
| Plot Keywords | : | |
