7 Minutes of BS (#BuildingScience w/a BEAT)

Latest Episodes:

The Psychrometric Chart Oct 15, 2018

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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.

Low-E Coatings for Glass Jul 27, 2018

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Low-e coatings screen infrared heat from moving through windows, either inward, outward, or both Today Ray Garries, Vice President of Engineering and Innovation at MI Windows and Doors joins the show to explain what low-e coatings are, how they work, and why they matter for windows in your home.

Historic Mortars Jun 04, 2018

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Historic Mortars by ProTradeCraft.com

Unvented - Roofs May 31, 2018

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Like an out-of-plumb wall, insulated and unvented roofs can work well—or not. 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, why and how of an unvented roof assembly.

The Building Science Behind Marijuana Grow Rooms Apr 26, 2018

Show notes

People have been growing houseplants in houses for a long time. They balance relative humidity, they clean the air, and they generally make the place homier. But a marijuana grow-room is different—large bushes filling a bedroom, demanding resources that typical houseplants do not demand. This can produce a lot of unwanted situations from moisture and indoor air quality problems, increases water and electrical usage, and possibly com plaints from the neighbors about aroma. A lot more info is here: https://www.protradecraft.com/engineering-building-science-and-code-implications-marijuana-grow-rooms

Flood Resistant Construction and Cleanup Mar 08, 2018

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If you can't build to stay dry, build to tolerate wet. In this episode of 7 Minutes of BS, 'Dr. Joe' Lstiburek, PhD , P. Eng, ASHRAE Fellow, and founding principal of Building Science Corporation explains why flood water cleanup is critical, and how to rebuild with tolerance in mind. Flood resistant construction is two things: One approach is to build above the flood level, and it doesn't matter. That's an insanely logical way of doing it, you don't have to use special materials once you get above the flood level. The second is that you assume the materials in the assembly are going to get wet, and saturated, so you build it in such a way that it is easy to dry and clean the building and pout it back together after the event happens.

Drip Edge Flashing Feb 22, 2018

Show notes

A Drip edge is the leading edge of a flashing, sill, overhang or other linear, horizontal building element, designed to shed water. they’re commonly found at enclosure details such as flashings, overhangs, or transition details between enclosure elements. Like where one type of siding meets another. Or at the base of a wall where siding sets above a water table band.

Science: What it is, how it works, why it matters and how climate science informs building design Nov 09, 2017

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"Science is a method of understanding how things work in the universe." Allison Bailles, Ph.D. is the gest for this episode of 7 Minutes of BS. We decided to back out of Building Science for a minute to talk about what science is, how it works, why it matters, and whether only ostrichs do not understand that climate change is a thing.

IAQ: 7 Minutes of BS Nov 09, 2017

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Three-pronged solution to indoor pollution: Isolate, eliminate, and ventilate. For today's topic, we have Jim Shelton, Vice President, Panasonic Eco Solutions of North America as he breaks down the nuts and bolts of cleaning the air inside a building and keeping that way.

Heat Stress: 7 Minutes of BS Sep 19, 2017

Show notes

Heat stress is a net heat load to which a worker is exposed from the combined contributions of metabolic heat, environmental factors, and clothing worn, which results in the increase in heat storage in the body. Too much heat stress can increase the risk for experiencing a heat-related illness such as heat stroke, heat exhaustion, heat cramps, heat rash— and DEATH. Image: Guian Bolisay via Wikimedia Commons

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