General contractor Tom Silva and host Kevin O'Connor demonstrate how to use all types of ladders safely. Then plumbing and heating expert Richard Trethewey replaces a three-handle shower valve with a single-handle anti-scald valve.
Ask This Old House | Front Door, Faucet Fix
Ask This Old House | Citrus Greening, Tile
Ask This Old House | Pass Through, New Gate
Share your thoughts, questions, and comments on "Ask This Old House" here.