Podcasts

Residential Grow Rooms: 7 Minutes of BS

marijuana-grow-room-science-ventilation-moisture-mold.jpg

Extreme heat and humidity can drive moisture deep into framing cavities which can cause mold, rot, and structural damage

Low-E Glass Coatings: 7 Minutes of Building Science

Low-E-Coarings-windows.png

Low-e coatings screen infrared heat from moving through the glass, either inward, outward, or both

Historic Mortar: 7 Minutes of BS

historic-mortar-podcast-building-science.jpg

In short, mortar is a mixture of some or all of the following materials: Portland cement, sand, lime clay, and more modern additives.

Roof Ventilation: 7 Minutes of BS

Roof-venting-building-science-podcast.png

This episode of 7 Minutes of BS was the MOST POPULAR EPISODE OF 2017! Enjoy your trip down memory lane. 

 

Science: 7 Minutes of BS (Building Science Syncopated)

Science-what-how-why-7-minutes-bs-podcast.png

Science explains the natural world with a disciplined method of repeatable—and verifiable—questions, experiments, and answers

 

Indoor Air Quality (IAQ): 7 Minutes of BS

IAQ-indoor-air-quality-ventilation.png

Three-pronged solution to indoor pollution: Isolate, eliminate, and ventilate

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

vapor-permeance-building-science-podcast.jpg

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

radiant-barrier-from-home-depot.jpg

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)

Make-up-air-building-science-podcast.png

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

Reservoir Cladding and Mass Walls: 7 Minutes of BS

7-minutes-BS-Reservoir-cladding.png

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

BS-Podcast-YT-crop.png

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

efflorescence-preview.jpg

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

ice-dams-.jpg

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)

 BS-Podcast.png

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