29 Feb '16, 9am

All-in-One Sheathing and Air Barrier Speeds Construction

(even though small concentration of the most hazardous ingredients don’t appear there), and we wish for even more material transparency, but we have to be careful how we assess the data we’re given. The respiratory sensitizer I mentioned in the article, for example, comes from the isocyanates in polyurethanes. Factory cured under controlled conditions, these should pose little risk and are similar to those found in low-emitting formaldehyde -free composite wood and many other interior products. And zinc oxide, mentioned as a developmental toxicant, is also the active ingredient in suntan lotion and is given the thumbs up for safety by the Environmental Working Group. No, not all ingredients are ideal and I would not spread ExoAir on my toast in the morning, but I think you’ll find that alternative systems on the market are often much, much worse in terms of chemicals and e...

Full article: https://www2.buildinggreen.com/article/all-one-sheathing-...

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