E17 | Lead Testing, Hillside Steps | Ask This Old House

Sink drain maintenance; methods for testing lead-based paint; granite hillside steps.

E17 | Lead Testing, Hillside Steps | Ask This Old House Ask This Old House

Premiered March 26, 2026
E17 | Lead Testing, Hillside Steps | Ask This Old House: asset-mezzanine-16x9
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E17 | Lead Testing, Hillside Steps | Ask This Old House

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

About the Program

Ask This Old House

Ask This Old House solves the steady stream of home improvement problems faced by our viewers - and we make house calls! The series features some familiar faces, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Jenn Nawada.

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