Podcast Episode 82 — Brian’s Roof Question
Plus listener questions on wind-driven moisture, large-format tile, air-sealed crawlspaces, and cased openings.
In this episode, show regulars Justin Fink, Brian Pontolilo, and Rob Yagid talk about Brian’s roof history, leading to a question about how to clean moss off a shady roof. Seems like there is a chemical-spray option (like an outdoor bleach) and there’s a physical-removal option. But not a pressure-washer option, since you do not want to blow the asphalt granules off the roof.
Listener Jason is building a screened-in porch in “buggy Maine.” He is wondering about the best way to make a subfloor for the project, and he’s worried about “wind-driven moisture,” using a favorite term of Rob’s (also found in Popular Science and Green Building Advisor). Here are a couple photos he sent us:
Listener Andy is building a house and has a question about his 6-ft. high sealed crawlspace. He does not want it to get moldy and nasty. Can he use a heat-pump water heater to also keep the space dry?
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The Fine Homebuilding Podcast embodies Fine Homebuilding magazine’s commitment to the preservation of craftsmanship and the advancement of home performance in residential construction. The show is an informal but vigorous conversation about the techniques and principles that allow listeners to master their design and building challenges.
Other links related to this issue:
- Laying Large Tile.
- Sealing a Crawlspace.
- Air-Sealing a Basement.
- Creating a Sealed Crawlspace.
- All FHB podcast show notes: FineHomebuilding.com/podcast.
- Buy a shirt at KeepCraftAlive.org.