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Webinar: Walls That Work–An Intro to the Four Control Layers

There’s more than one way to build a durable and efficient wall. Like most things, the devil is in the details—and in this case, the details refers to the four control layers. For a comfortable home and a wall that won’t fail, you must control water, air, vapor, and temperature. In this webinar we’ll study the four control layers, take a look at building codes and various climates, and open up a handful of walls that work. For more on this topic, see this collection of articles: All About High-Performance Wall Assemblies. -Brian Pontolilo is the editor of Green Building…


Pandemic Packs a Wallop for Construction

The coronavirus pandemic is slowing the construction trades to a crawl. At least one major U.S. cities to order construction sites to be closed as builders in firms of all sizes weigh the risks of continuing to stay on the job. Some are still showing up to work, with altered workplace rules, but many are not. Boston Mayor Martin Walsh last week halted construction projects across the city for two weeks as the coronavirus continued to spread. Only emergency projects, such as roadwork and gas hookups, could continue, Construction Dive reported. Trade unions applauded the decision. Associated General Contractors of…


Do You Have Spare Respirators?

If you’re like me, sometimes you feel like there isn’t anything you can do to help brave medical professionals on the front lines fighting the coronavirus. Well, if you’re the type that buys in bulk, and you have extra dust masks, respirators, or respirator cartridges, consider yourself lucky. There is something significant you can do to help. We recently received the following email from James Pring, a reader who works as a scientist. Covid protection for healthcare workers needs a lot of those 3M N95 and N100 3M cartridges. If listeners have spares in their shop (new and unopened) then…


Energy Efficiency Still Matters

Energy efficiency has driven down energy consumption per household by roughly 16% since 2005, according to data from the Energy Information Administration and the U.S. Census Bureau. Illustration courtesy of ACEEE. Energy efficiency—the quickest way to cut energy waste in our homes, workplaces, and vehicles—spans so many facets of daily life that it’s easy to take it for granted. In fact, if you attempted to summarize all of the savings and successes that have made energy efficiency such a critical part of a growing U.S. economy over the past few decades, you’d end up with more than 50 compelling indicators…


Object of Desire: New/Old Lighting from Makie in NYC/Japan

Object of Desire: New/Old Lighting from Makie in NYC/Japan - RemodelistaIcon - Arrow LeftIcon - Arrow RightIcon - External LinkIcon - MessageIcon - Down ChevronIcon - CloseIcon - Dropdown ArrowIcon - Location PinIcon - Zoom OutIcon - Zoom InIcon - SearchIcon - EmailIcon - FacebookflipboardIcon - InstagramIcon - PinterestIcon - TwitterIcon - Check Mark An icon we use to indicate a rightwards action. An icon we use to indicate a leftwards action. An icon we use to indicate a button link is external. The icon we use to represent an email action. Used to indicate a dropdown. Used to indicate…


Building Science and the Novel Coronavirus

During a presentation on moisture management at the Better Buildings: Better Business conference this past week in Wisconsin Dells, WI, a builder asked this question: “Given the Relative Humidity Optimum Zone table everyone cites [Sterling et al, 1986; Environmental Health Perspectives Vol 65, pgs. 351 – 361; see main image], should we be running the relative humidity (RH) in our homes higher, say 50% to 70%?” Authors’ note: The image above is a slide from a presentation from AHRI. For more on the latest in humidity research in buildings, we recommend you check out the full presentation here. Who’s qualified…

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