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From 10 epsHosts
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Recent episodes
Solar-Powered Attic Fans
May 8, 2026
9m 14s
Exterior Insulation Done Well: Best Systems for Deep Energy Retrofits
Mar 12, 2026
6m 27s
Exterior Insulation Options
Jan 5, 2026
10m 26s
Cool Roofs
Nov 5, 2024
7m 33s
Adsorption—with a ”D”
Oct 11, 2023
8m 16s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 5/8/26 | Solar-Powered Attic Fans✨ | attic fansbuilding science+3 | Peter Yost | Building-Wright | — | attic fansventilation+3 | — | 9m 14s | |
| 3/12/26 | Exterior Insulation Done Well: Best Systems for Deep Energy Retrofits✨ | exterior insulationenergy retrofits+3 | Jonathan Smegal | RDH Building Science Laboratories | — | exterior insulationenergy efficiency+3 | — | 6m 27s | |
| 1/5/26 |  Exterior Insulation Options✨ | exterior insulationbuilding science+3 | Jonathan Smegal | RDH Building Science | Waterloo, Ontario | exterior insulationbuilding science+3 | — | 10m 26s | |
| 11/5/24 |  Cool Roofs✨ | cool roofsheat absorption+3 | — | — | southern climates | cool roofsheat stress+3 | — | 7m 33s | |
| 10/11/23 |  Adsorption—with a ”D”✨ | adsorptionwater+4 | Dr. Joe Lstiburek | — | — | adsorptionwater+4 | — | 8m 16s | |
| 8/17/23 |  Vapor Diffusion Ports: Air Barriers That Let Moisture Leave✨ | Vapor Diffusion PortsAir Barriers+3 | Dr. Joe Lstiburek | — | — | Vapor Diffusion PortsAir Barriers+3 | — | 9m 36s | |
| 7/25/23 |  Lstiburek on Water✨ | waterbuilding science+3 | Lstiburek | waterwine | — | waterbuilding+3 | — | 13m 32s | |
| 5/5/23 |  Hot Roof, Cold Roof: Where Did They Come From?✨ | building scienceroof types+3 | Dr. Joe Lstiburek | — | — | hot roofcold roof+3 | — | 8m 43s | |
| 3/29/23 |  Is OSB an Air Barrier?✨ | air barrierwall sheathing+3 | Jonathan Smegal | RDH Building Science Laboratories | — | OSBair barrier+3 | — | 7m 42s | |
| 10/25/22 |  Hail Resistant Roofing✨ | hail damageroofing+3 | Tanya Brown-Giammanco | Institute for Business and Home SafetyNational Institute of Standards and Technology | — | hail resistant roofinghail damage+3 | — | 8m 28s | |
Want analysis for the episodes below?Free for Pro Submit a request, we'll have your selected episodes analyzed within an hour. Free, at no cost to you, for Pro users. | |||||||||
| 6/27/22 |  SHRINKAGE - How PVC Moves and How to Install it Right | 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. | 8m 26s | ||||||
| 6/11/20 |  Wildfire-Resistant Construction | 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. | 16m 41s | ||||||
| 6/10/20 |  Jobsite COVID Protocols and Solutions: Career Toolbox Podcast | 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. | 21m 07s | ||||||
| 6/8/20 |  Heat Flow | Guest Jonathan Smegal, from RDH Building Science Laboratories, explains the mechanisms of heat flow, and how it can actually flow around insulation. | 10m 56s | ||||||
| 2/25/20 |  Wind Resistance | 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. | 10m 06s | ||||||
| 10/8/19 |  EFFECTIVE R-Value: | 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. | 9m 45s | ||||||
| 2/26/19 |  Dew Point | 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." | 9m 08s | ||||||
| 11/21/18 |  Stucco | “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 | 9m 30s | ||||||
| 10/23/18 |  ViscoElasticity | "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. | 7m 27s | ||||||
| 10/15/18 |  The Psychrometric Chart | Psychrometrics is the physics which deals with the process and properties of moist air, a combination of water vapor and dry air. | 7m 36s | ||||||
| 7/27/18 |  Low-E Coatings for Glass | 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. | 7m 42s | ||||||
| 6/4/18 |  Historic Mortars | Historic Mortars by ProTradeCraft.com | 8m 19s | ||||||
| 5/31/18 |  Unvented - Roofs | 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. | 8m 06s | ||||||
| 4/26/18 |  The Building Science Behind Marijuana Grow Rooms | 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 | 7m 54s | ||||||
| 3/8/18 |  Flood Resistant Construction and Cleanup | 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. | 8m 49s | ||||||
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