Synopsis

Plumbing and heating specialist Richard Trethewey assists a homeowner in replacing a damaged cast-iron closet flange, the fitting beneath a toilet. Afterward, Trethewey joins landscape contractor Roger Cook, general contractor Tom Silva, and host Kevin O'Connor as they ponder the question: "What is it?" Later, Tom guides a homeowner through repairing a cracked plaster wall with an innovative adhesive system. Returning to the loft, Roger shares a piece of advice gleaned from a viewer regarding ex