Podcasts

Vapor Permeance: 7 Minutes of BS—Building Science w/a Beat

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Vapor barriers cause a lot more harm than good in many parts of North America. Understanding vapor barriers begins with knowing what it means to be one

Radiant Barriers: 7 Minutes of BS—Building Science w/a Beat

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Thin foil can block massive amounts of heat transfer, but it needs a massive temperature difference to be effective. So, insulation sort of makes radiant barriers irrelevant.

Make Up Air: 7 Minutes of BS (Building Science w/a Beat)

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Houses cannot expand and contract with changes in pressure like balloons can. Instead, they need paths for air to balance the pressure

Roof Ventilation: 7 Minutes of BS

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Moving air keeps unwanted heat and moisture out of your roof system

 

Reservoir Cladding and Mass Walls: 7 Minutes of BS

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Siding is supposed to shed water away from walls; so what's the deal with siding that absorbs water?

 

Mechanical Ventilation: 7 Minutes of BS

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As houses are built tighter, they exchange less air between inside and outside. This saves energy, but the inside air can get stale if you don't have a fan and a plan

Efflorescence: 7 Minutes of BS

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A snowball effect of physics vs. physical structures: water carries salt to the surface of masonry, which crystallizes and can blow apart its masonry host.

Ice Dam Podcast: What, How, Why, and Prevention

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A big problem, for roofs in cold climates, but what causes it and how can you fix it?

 

Stack Effect: 7 Minutes of BS (#buildingscience)

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Stack effect is relentless: it is always working, when you’re awake or asleep, even during blackouts. And it feeds on itself.

 

Thermal Bridging: A Podcast About BS (#buildingscience)

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This is the first episode of 7 Minutes of BS (building science). We break it down with engineers and building scientists.