Ask This Old House Season 8 Episode 9 Organic Lawn Care; Re-Routing a Bathroom Fan ( Air Date 2009-12-03 ) Genre Documentary category. Overview "Landscaping contractor Roger Cook visits Harvard University to learn about their new organic lawn-care program and shows host Kevin O'Connor how to make his own "compost tea." Then, Roger and Kevin, along with general contractor Tom Silva and plumbing and heating expert Richard Trethewey ask, "What is it?" Afterward, Tom helps a homeowner prevent mildew in his attic by re-routing a bathroom fan that was improperly vented near a soffit.".
Ask This Old House Season 8 Episode 9 Organic Lawn Care; Re-Routing a Bathroom Fan
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- Watch: Ask This Old House Season 8 Episode 9 Organic Lawn Care; Re-Routing a Bathroom Fan on CWR-CRB
- Stars: Richard Trethewey, Norm Abram, Roger Cook, Kevin O'Connor, Tom Silva, Steve Thomas Rooney
- Director:
