- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S6E18
Episode: Water Softening; Fiber-Cement Siding
Air Date: 2008-01-31
Runtime: 30 min
Overview
Plumbing and heating expert Richard Trethewey heads to Phoenix, Arizona to help a pair of homeowners install a new water softening system. Then, general contractor Tom Silva shows a homeowner how to install fiber-cement shingles on his new backyard shed.