Ask This Old House — Episode 15: Bathroom Installations; Comparing Wall Insulation

You are watching the episode Bathroom Installations; Comparing Wall Insulation Plumbing and heating expert Richard Trethewey helps a homeowner update the look of her bathroom by installing a new vanity cabinet, countertop, and sink. Then Richard, along with general contractor Tom Silva, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Afterward, Tom and Kevin discuss several different types of wall insulation and how each is installed.