S4·E7 Moss, Algae and Lichen; Leaky Water Valve; Planting Shade
Synopsis
General contractor Tom Silva shows a homeowner how to remove moss and lichen from his shade-covered roof and keep them from coming back. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin how to repair a leaky valve by replacing the washer and valve seat. Then, Roger helps a homeowner plant shade-loving groundcover under a 100-year-old beech tree.
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Frequently Asked Questions
When did Season 4 Episode 7 of Ask This Old House air?
Season 4, Episode 7 ('Moss, Algae and Lichen; Leaky Water Valve; Planting Shade') originally aired on November 17, 2005.
How long is Season 4 Episode 7 ('Moss, Algae and Lichen; Leaky Water Valve; Planting Shade')?
The runtime for this episode is approximately 30 minutes.
What happens in Ask This Old House Season 4 Episode 7?
General contractor Tom Silva shows a homeowner how to remove moss and lichen from his shade-covered roof and keep them from coming back. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Up in the loft, R...
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