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Ask This Old House | Weird Shower Valve, Mossy Roof | Ask TOH

Weird Shower Valve, Mossy Roof | Ask TOH

Richard travels to Salt Lake City to replace a shower valve he has never seen before in his career with a conventional pressure balanced one; Nathan demonstrates how to refinish stair treads; Tom helps a homeowner remove moss from his roof and prevent it from growing back.

Premiere Date: February 6, 2020 | Runtime: 00:23:43

About 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 Roger Cook.