Ask This Old House - Season 11 Episode 20
Plumbing and heating expert Richard Trethewey visits Cortland, Illinois, to learn how corn is harvested and then to help a homeowner insulate ductwork. Landscape contractor Roger Cook demonstrates proper pruning technique. Roger, Richard, host Kevin O'Connor, and general contractor Tom Silva ask "What Is It?" Kevin learns how to maintain washers and dryers.
First Air Date : 2002-10-10
Last Air date : 2025-03-27
Runtime : 57 minutes
Genre : Documentary
Cast : Richard Trethewey, Norm Abram, Roger Cook, Kevin O'Connor, Tom Silva, Steve Thomas Rooney
Crew :
Quality : 
Subtitles :
- Season 11 : Episode 12012-10-04
- Season 11 : Episode 22012-10-11
- Season 11 : Episode 32012-10-18
- Season 11 : Episode 42012-10-25
- Season 11 : Episode 52012-11-01
- Season 11 : Episode 62012-11-08
- Season 11 : Episode 72012-11-15
- Season 11 : Episode 82012-11-22
- Season 11 : Episode 92012-11-29
- Season 11 : Episode 102012-12-06
- Season 11 : Episode 112012-12-13
- Season 11 : Episode 122012-12-20
- Season 11 : Episode 132012-12-27
- Season 11 : Episode 142013-01-03
- Season 11 : Episode 152013-01-10
- Season 11 : Episode 162013-01-17
- Season 11 : Episode 172013-01-24
- Season 11 : Episode 182013-01-31
- Season 11 : Episode 192013-02-07
- Season 11 : Episode 202013-02-14
- Season 11 : Episode 212013-02-21
- Season 11 : Episode 222013-02-28
- Season 11 : Episode 232013-03-07
- Season 11 : Episode 242013-03-14
- Season 11 : Episode 252013-03-21
- Season 11 : Episode 262013-03-28
