Ask This Old House [series info]
Repairing a Crack in an Asphalt Walkway; Getting Rid of Mold
Landscape contractor Roger Cook helps a homeowner repair a crack in an asphalt walkway. Then Roger, along with host Kevin O'Connor, plumbing and heating expert Richard Trethewey and general contractor Tom Silva, asks "What is it?" Afterward, Tom helps a homeowner get rid of the mold in her attic.