Crown Molding; Replacing Rotting Fence Posts Ask This Old House : Season 8 Episode 18

General contractor Tom Silva helps a pair of homeowners in Houston, Texas install crown molding in their bedroom using an innovative fastening system. Then Tom, along with host Kevin O'Connor, landscaping contractor Roger Cook, and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Roger and Kevin head outside to replace a rotting cedar fence post.