Synopsis

General contractor Tom Silva assists a homeowner in preparing the concrete walls of his basement for the application of wallboard. Meanwhile, in the loft above, plumbing and heating specialist Richard Trethewey demonstrates to host Kevin O'Connor the fundamentals of knot tying. Subsequently, joined by landscaping contractor Roger Cook, Tom, Kevin, and Richard pose the question, "What is it?" Finally, Roger and certified arborist Matt Foti illustrate proper care for trees damaged by storms.