Cellofoam FAN-FOLD provides a smooth resilient underlayment which eliminates the potential For "oil canning" Or "telescoping". It is made of Cellofoam Expanded Polystyrene (EPS) rigid insulation, faced with a tough poly laminate On both sides. Because FAN-FOLD Is made of millions of closed cells of expanded polystyrene, it has an excellent resistance to heat transfer. Not a vapor barrier.

When FAN-FOLD is properly installed it doesn't deteriorate with age, is resistant to mildew, fungus, rot, bacteria, and doesn't require maintenance. The tough facings resist abuse during construction and prior to the installation of siding materials.

Features:

• Easy To Install
• High Resistance to Moisture
• Lightweight
• Installation labor reduced by approximately 60%
• Environmentally Friendly.(contains no formaldehyde Or ozone-depleting CFCs Or HCFC)
• Versatile-Laminate and foil facers