33x9 - This Old House

General contractor Tom Silva installs new red cedar clapboards. Plumbing and heating expert Richard Trethewey helps remove some existing plumbing in the old kitchen. Landscape contractor Roger Cook installs a new asphalt driveway that will later be topped with a rustic finish. Richard shows host Kevin O'Connor how he's solving a rough plumbing problem by using a wet vent in the powder room.