Ask This Old House S24E17 - Lead Testing, Hillside Steps

Richard Trethewey breaks down why sink clogs happen, how to prevent them, and why chemical drain cleaners can do more harm than good. Richard offers safer maintenance alternatives. Mauro Henrique demonstrates how to test for lead-based paint, comparing rapid tests to a professional analyzer. Then, Mark McCullough installs granite hillside steps, creating safer access to a backyard fire pit.