Formaldehyde
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With rising energy costs, the practice of insulating cavity walls became widespread in the late-1970s and 80s. Urea formaldehyde (UF) foam was a common choice: it is much less popular now. While very popular in Canada in the late 1970s, it was banned there in 1980. A ban on UF...Explore the subscription options here to get full access to isurv, including downloads.
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