- Richard Trethewey (Himself)
- Norm Abram (Himself)
- Roger Cook (Himself)
- Kevin O'Connor (Host)
- Tom Silva (Himself)
- Steve Thomas Rooney (Himself)
Ask This Old House — S4E14
Episode: Radon Mitigation System; Pruning an Apple Tree
Air Date: 2006-01-05
Runtime: 30 min
Overview
Host Kevin O'Connor heads to Minneapolis, Minnesota to help a pair of homeowners who have discovered dangerous levels of radon gas in their finished basement. Then, up in the loft, Kevin shows a number of radon test kits available at home centers and local health departments. Then, landscaping contractor Roger Cook shows a homeowner how to prune his apple tree to produce healthy fruit.