Urea Formaldehyde Foam Insulation (UFFI)

UFFI (or Urea Formaldehyde Foam Insulation) is a thermal insulation material that is no longer used because of formaldehyde gas emission.  At one time, UFFI insulation was blown into the walls of older homes to improve insulation qualities.  Because of the problems, UFFI insulation has not been used since 1980.  Since formaldehyde gas emissions from UFFI decrease with time, most houses insulated with UFFI no longer have significant source of formaldehyde gas.

Household items such as plastic furniture, new carpeting, and many other plastic or vinyl materials also emit formaldehyde gases (as well as other chemicals) during the first few months after they are installed.  This can cause health problems in sensitive people.  For more information on formaldehyde and its effects, visit the EPA formaldehyde web site .

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