Final answer:
The insulation that caused noxious fumes is called UFFI, which is short for Urea-Formaldehyde Foam Insulation, and has been associated with various health concerns.
Step-by-step explanation:
The sprayed insulation that caused noxious fumes is known as UFFI, which stands for Urea-Formaldehyde Foam Insulation.
UFFI was a commonly used insulation material in the 1970s and early 1980s. However, due to health concerns related to the release of formaldehyde gas during the curing process and over time, its use has greatly diminished and has been banned in some countries.
The fumes from UFFI can irritate the eyes, nose, and throat, and it has been associated with more serious health effects.