Watch Ask This Old House Season 6 Episode 23 Online

Landscape contractor Roger Cook shows host Kevin O'Connor how to improve a lawn using a "slice seeder." Next, plumbing contractor Richard Trethewey and general contractor Tom Silva share a tip from a viewer on how to drive a nail in a tight spot. Afterward, Kevin is joined in the loft by a real estate specialist for some tips on preparing a home for sale. Finally, Richard visits a homeowner to help fix a water leak in her living room ceiling.