Seasons & episodes

Tom Silva helps a homeowner repair a wobbly newel post at the bottom of a staircase. In the Ask This Old House loft, Richard Trethewey shows Kevin O'Connor various methods for cutting rigid pipes and flexible tubing. Roger Cook visits an arboretum to learn how to reproduce plant specimens from cuttings and by grafting.

Plumbing and heating expert Richard Trethewey helps a homeowner replace his leaky outdoor faucet. Then, up in the loft, landscaping contractor Roger Cook shows host Kevin O'Connor how to sharpen a lawn mower blade properly. Afterward, Richard, Roger, and Kevin, along with general contractor Tom Silva ask, "What is it?" Then Tom and Kevin build custom shelving for a walk-in closet.