7 Minutes of BS (#BuildingScience w/a BEAT)
30 minute descriptions of technical topics distilled to seven minutes.
Episodes

Jun 27, 2022
Jun 27, 2022
8 min
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.

Jun 11, 2020
Jun 11, 2020
16 min
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 the Insurance Institute for Business and Home Safety.
We talk about what wildfire resistant construction is, how it works, why it matters so much these days, and how to do it right.

Jun 10, 2020
Jun 10, 2020
21 min
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.

Jun 8, 2020
Jun 8, 2020
10 min
Guest Jonathan Smegal, from RDH Building Science Laboratories, explains the mechanisms of heat flow, and how it can actually flow around insulation.

Feb 25, 2020
Feb 25, 2020
10 min
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.

Oct 8, 2019
Oct 8, 2019
9 min
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, why and how of R-value, insulation, and building assemblies.

Feb 26, 2019
Feb 26, 2019
9 min
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 point temperature of the water vapor that’s in the space around that surface, the water vapor will start condensing on that surface."

Nov 21, 2018
Nov 21, 2018
9 min
“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 finish work, but really in this day and age, we talk about plaster, particularly in North America, for interior work.”
—Sarah Gray, an engineer with RDH Building Science

Oct 23, 2018
Oct 23, 2018
7 min
"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 Systems with Huber Engineered Woods talking about the pressure-sensitive adhesives that are used on construction tapes.

Oct 15, 2018
Oct 15, 2018
7 min
Psychrometrics is the physics which deals with the process and properties of moist air, a combination of water vapor and dry air.





