Contributed by Roy F. Schauffele
This brief article is directed to architects, specifiers, and consultants. The use and evolution of air barriers is very reminiscent of the growth of single-ply roofing technology. The larger corporate manufacturers are pouring tons of money into marketing and advertising and as I’m fond of saying, “all advertising is completely true but rarely truly complete”.
All too often, architects & specifiers rely heavily on the paid for mass produced specifications or a quick internet search and then dutifully download a set of specifications. This is okay, but they may not contain all the technical or QA items that may be needed for proper air barrier design and performance.
What follows are references (suggestions) that can lead to clarity of specification interpretation, design intent, proper bidding and installation. These are not an endorsement, just references.
After I have the building’s design, function and climatic conditions defined, I include the following in my specifications:
While nothing is perfect, I’ve found the above to serve me well and I hope these items are of good use to you.
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