Foam-Face Off: EPS vs. ISO

Foam-Control EPS

 ISO

• Complies to ASTM standard (ASTM C578)

•  Complies to ASTM standard (ASTM C1289)     

• 3rd Party/ICC-ES Recognized

•  3rd Party/ICC-ES Recognized

•  Lower cost/R-Value

•  Higher cost/R-Value

• Retains 100% R-Value - 20 year R-Value warranty

•  Loses R-Value -1 year warranty

•  Can go big - 3' x 4' x 16'

•  Standard max. size - 4" x 4' x 8'

•  Cut square, flat, tapered, or any size

• Comes off extruder with limited choices & thicknesses variability

•  Dimensionally stable

•  Possible bowing, cupping, or facer delamination

• Thermoplastic

• Non-recyclable Thermoset