
Solar-Powered Attic Fans
Today's guest is Peter Yost, of Building-Wright, talking about the problems that attic fans set out to solve, whether they solve the problems, and how to do it, regardless of whether you use an attic fan.
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Hosted by Unknown Host · 🇺🇸 US · EN · 41 episodes
Established thought leaders with verified media credentials.
30 minute descriptions of technical topics distilled to seven minutes.
Unknown Host hosts 7 Minutes of BS (#BuildingScience w/a BEAT), a science show with 41 episodes published.

Today's guest is Peter Yost, of Building-Wright, talking about the problems that attic fans set out to solve, whether they solve the problems, and how to do it, regardless of whether you use an attic fan.
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In this episode of 7 Minutes of BS, we continue the discussion with engineer Jonathan Smegal of RDH Building Science Laboratories to break down the best exterior insulation retrofit systems based on real-world testing on
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Today, we are joined by Jonathan Smegal, an engineer with RDH Building Science in Waterloo, Ontario. Mr Smegal discusses the benefits of exterior insulation, then walks us through a recent study of five exterior insulati
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Dark roofs absorb heat, and light roofs reflect it. Light roof shingles—combined with more insulation in the attic— can go a LONG way towards reducing the heat stress people in southern climates experience three seasons
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Dr. Joe Lstiburek explains the fourth state of water: ADSORPED water. It exists on surfaces as tiny monolayers that can fill pores on the surface and cause mold. It also explains why expansive soils expand. If you though
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Vapor Diffusion Ports: Air Barriers That Let Moisture leave Dr. Joe Lstiburek explains what Vapor Diffusion Ports are, how they work, why they're needed, and how to construct them—in about nine minutes. The skinny versio
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An overview of water, the liquid that makes life possible, rots buildings, and makes great wine.
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In this episode, we are joined by Dr. Joe Lstiburek, out favorite crawlspace buddy, to talk about the origin of hot roof and cold roof labels.
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This time on 7 Minutes of BS, Jonathan Smegal, M.S., describes his work at RDH Building Science Laboratories testing various wall sheathing materials for air tightness. The results are somewhat surprising but, truthfully
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Today's guest expert is Tanya Brown-Giammanco, formerly the Managing Director of Research at the Institute for Business and Home Safety (when we recorded this episode) and currently the Director of Disaster and Failure S
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This episode of 7 Minutes of BS explores how to install PVC siding and trim to reduce the effects of shrinkage. PVC moves differently than wood, so it also behaves differently than wood. Here's the inside dope.
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Wildfire is different from wildland fire. Wildland fire is a regular part of a region’s ecology. Wildfire is a wildland fire that burns out of control. In this episode, we are joined by Daniel Gorham, a fire engineer at
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Guest Rob Matuga, Assistant Vice President for Health, Safety, Jobsite regulations at the National Association of Homebuilders (NAHB) discusses how to re-open jobsites safely.
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Guest Jonathan Smegal, from RDH Building Science Laboratories, explains the mechanisms of heat flow, and how it can actually flow around insulation.
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Guest: Dr. Anne Cope, Ph.D., P.E., Chief Engineer of the Insurance Institute for Business & Home Safety explains why calling it hurricane resistance puts so many people at risk.
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Can a wall plummet from R-50 to R-12 because of the studs? In this episode, we are joined by Jonathan Smegal, M.A. SC a Senior Project Manager with RDH Building Science Laboratories breaking down the nuts, bolts, what, w
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This time we discuss dew point with Dr. Allison Bailes, aka, the Energy Vanguard. “Dew point is the temperature at which water vapor in the air will condense on surfaces. So, if you have a surface that is at the dew poin
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“Stucco is an exterior finish, and more specifically, we tend to think of it as an exterior plaster finish. In some of the literature and in architectural dictionaries, stucco can be used for both exterior and interior f
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"ViscoElasticity is what we’re talking about and that is the property of a material that exhibits the viscous nature of a liquid but also the elastic nature of a solid." —Allen Sealock, the product director for ZIP Syste
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Psychrometrics is the physics which deals with the process and properties of moist air, a combination of water vapor and dry air.
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7 Minutes of BS (#BuildingScience w/a BEAT) is hosted by Unknown Host. The show is categorised under science and has published 41 episodes.
7 Minutes of BS (#BuildingScience w/a BEAT) has published 41 episodes.
7 Minutes of BS (#BuildingScience w/a BEAT) regularly covers science. It sits in the science category.
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Episodes of 7 Minutes of BS (#BuildingScience w/a BEAT) average 10 minutes. a focused format where a clear narrative arc and tight preparation matter most.
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