Synopsis

Landscaping contractor Roger Cook assists a homeowner in applying stone veneer to an unsightly concrete retaining wall. Afterward, Cook joins host Kevin O'Connor, plumbing and heating specialist Richard Trethewey, and general contractor Tom Silva as they ponder, "What is it?" Later, in the loft, Trethewey demonstrates to O'Connor the process of retrofitting dampers in forced-air HVAC ducts. Finally, Silva offers a helpful suggestion for maximizing the efficiency of insulating foam.