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We’ve all heard the nightmare scenarios: water leaks that mar the finest architectural features of a new building; air leaks that cause hidden mold or rot inside the walls; thermal bridges that compromise occupant comfort and energy performance.
These scenarios have two things in common: first, they could all land you in court. Second, they are all preventable if you’re giving each building assembly detail the time and attention it deserves.
During a recession, most firms are already working with knifeblade-thin margins, so it can be tempting to cut corners. While the “extra” work required to get the details right might seem expensive in the short term, it’s a good long-term investment.
In this month’s EBN feature article, Peter Yost and I take a look at how industry leaders are changing the way they practice architecture in response to the increasing complexity of—and increasing demands on—our buildings and building assemblies.
We all want energy-efficient buildings, but there are tradeoffs: when you decrease the energy flow through a building assembly, you have to be a lot more careful about every little air leak and thermal bridge; otherwise you risk moisture problems.
This challenge is even greater because more sophisticated, multilayered building systems may have properties we don’t know about or forget to check. For example, all building materials—not just the ones we call retarders or barriers—affect vapor movement to some degree; serious moisture problems can occur if the permeability of each assembly component is not accounted for in assembly design.
In our article, we go through the four essential features needed to ensure good hygrothermal performance, and we’ve included lots of beautiful, detailed cross-sections from leading residential and commercial building science experts to give you ideas for solving common problems, such as:
As a matter of fact, this whole issue of EBN is chock full of building science know-how and includes:
I’ll just leave you with a little teaser: our whole editorial team is currently expanding on all this work in a new report on high-performance building assemblies. It’s due out just before the holidays—so put it on your wish list, and watch this space for more details soon!
I believe the Viridian decking we installed is 15/16" thick by 2-1/2" wide; I'm not seeing those dimensions on the Viridian...
Hi there! I've been sourcing reclaimed exterior deck material for a client, and am interested to know:
The thickness of the material you...
Erica, 3-way LED bulbs are sold in stores and online. Just do a search or ask at your local hardware store.
Meredith Williams says, "Hi there! I've been sourcing reclaimed exterior deck material for a client, and am interested to know: The thickness of the material you used..." More...
Erica E. Tactical says, "Anyone know a way to replace incandescent 3-way light bulbs with LEDs? My table lamps are all 3-way and I like the ability to have ambient or..." More...
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