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The Spray Foam Industry’s Shift That Paved the Way

The Spray Foam Industry's Shift That Paved the Way | Walls & Ceilings This website requires certain cookies to work and uses other cookies to help you have the best experience. By visiting this website, certain cookies have already been set, which you may delete and block. By closing this message or continuing to use our site, you agree to the use of cookies. Visit our updated privacy and cookie policy to learn more. This Website Uses CookiesBy closing this message or continuing to use our site, you agree to our cookie policy. Learn More This website requires certain cookies…


The BS* + Beer Show: Flashing Details

This episode of the BS* + Beer show is a sweeping discussion about Flashing Details with “big dogs” Doug Horgan, Mike Guertin, Aron Jones, and Bryan Uhler. In addition to sharing a how-to video on fabricating end dams and some visuals illustrating the right and wrong ways to flash, our guests touch on topics that include dealing with wind-driven moisture, choosing products, material compatibility, sequencing and redundancy, horizontal and vertical joints, galvanic reactions, and of course, kickout flashing. Mike Guertin puts the question to the panel: What’s your favorite flashing and why? Tune in to hear their answers and pick…


Building a Vaulted High-Performance and Foam-Free Roof Assembly

Josh Salinger, owner of Birdsmouth Design-Build, is on-site in Portland, Ore., to discuss the vaulted high-performance and foam-free roof assembly on their latest ADU build. Vaulted roofs are a popular option because they create usable living space where an attic would usually be. Typically, plastic forms such as spray-foam insulation or rigid foam are used to deter condensation and moisture issues in a roof assembly. In this video, Josh shares his plastic-free solution to manage moisture and allow for full-depth insulation with proper venting while creating a high-performance vaulted roof assembly. Read more about all the details of this roof…


Climate Change is an Infrastructure Problem

Most of America’s 107,000 gas stations can fill several cars every five or 10 minutes at multiple pumps. Not so for electric vehicle chargers—at least not yet. Today the U.S. has around 43,000 public EV charging stations, with about 106,000 outlets. Each outlet can charge only one vehicle at a time, and even fast-charging outlets take an hour to provide 180-240 miles’ worth of charge; most take much longer. The existing network is acceptable for many purposes. But chargers are very unevenly distributed; almost a third of all outlets are in California. This makes EVs problematic for long trips, like…


The BS* + Beer Show: All About Rainscreens

This episode of the BS* + Beer show features industry giant John Straube talking “All About Rainscreens.” There are so many variables involved in correctly detailing the air gap behind cladding, and John lays out many of them—including climate zone, siding type, substrate material, and, most importantly, objective. He addresses the questions: How much of a gap is needed for drainage? How does the potential for wildfire influence gap size? Is the expense of the assembly worthwhile or would that money be better spent elsewhere? What is a pressure-equalized rainscreen? How much of a concern is interior vapor diffusion? What…


Using Wood-Fiber Exterior Insulation for a Net-Zero Construction

With our wall assembly here, we have the 2×8 framing, which is going to get dense-packed full of cellulose. And then we have exterior rigid wood-fiber insulation from Steico that goes onto the building. We really like this stuff because it’s carbon-storing and because it’s very permeable, which allows moisture to pass freely through the assembly. Specific heat capacity It also has another benefit that we’re really just starting to understand, which is called specific heat capacity. Some materials have an inherent need for energy in order to raise their temperature. In other words, it takes more energy to raise…

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