Phenolic Foam Insulation Material
Written by
The U.S. Department of Energy's Office of EERE
Phenolic (phenol-formaldehyde) foam was somewhat popular years ago as rigid foam board insulation. It is currently available only as a foamed-in-place insulation.
![Phenolic Foam Insulation Material](/media/k2/items/cache/5bcbc2e6adc6ac9dfb690a3edcb64ab2_XL.jpg)
Topic Summary
Phenolic foamed-in-place insulation has a R-4.8 value per inch of thickness and uses air as the foaming agent. One major disadvantage of phenolic foam is that it can shrink up to 2% after curing. This shrinkage makes it less popular today.
Article source: The U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE). For the most up-to-date information please visit the EERE website.
Published in
07 21 00 Thermal Insulation