Ask This Old House - Season 9 Episode 10
Hot Water Radiant Tubing; Joint Compound on Drywall Corners

Plumbing and heating expert Richard Trethewey helps a homeowner heat his newly remodeled kitchen by installing hot water radiant tubing underneath the floor. Then Richard, along with host Kevin OConnor, landscaping contractor Roger Cook, and general contractor Tom Silva ask, "What is it?" Afterward, Tom shows Kevin how to apply joint compound to drywall corners. Then Roger and Kevin head outside for a few lessons on using a wheelbarrow properly.