Foam Face-off: EPS vs ISO

In a balanced and fair comparison of performance attributes, in-service application, and economic value, Foam-Control EPS is the clear choice over 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 R-value 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 size choices & thickness variability
	Dimensionally stable					Possible bowing, cupping, or facer delamination
	Recyclable Thermoplastic					Non-recyclable Thermoset

  Foam-Control EPS Foam Face-off ISO-Architect Brochure

  Foam-Control EPS Foam Face-off ISO-Builder Brochure