Remember urea formaldehyde foam insulation (UFFI)? Back in the late 1970s and early 1980s it was the ultimate bad guy of the insulation world. Installed in hundreds of thousands of homes in the U.S.
Formaldehyde is an essential ingredient in the production of urea fertilizer, but an Environmental Protection Agency occupational exposure value ruling on the substance, could threaten its use in ...
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