• EPS Material: Type 2 Flame Retardant Expanded Polystyrene (EPS) Shape Molded at 1.5 pcf.
• Block Weights: 4” Core Standard approximately 4 lbs.
  6”, 8”, 12” Standards approximately 5 lbs.
• Sound Transmission (STC) 55+
• Minimum Pouring Temperatures: to minus 4º F or minus 20º C
• Production Method: Shape molded Flame Retardant Expandable Polystyrene (EPS)
• Fire testing:
• All Greenblock ICF Wall Systems meet the ASTM E119 2 hour Fire Resistance Test of a Load Bearing Insulted Concrete Form Wall.
• A fire retardant is added to Greenblock EPS during manufacturing
• Meets flame spread (10),and smoke development (less than 300)
• Expanded Polystyrene has a flash ignition temperature of 340º C (655º F)
• Concrete: Fill blocks with #5 or #6 slump, 3,000 psi concrete.
• Pour Height 3’-9’ monolithic pours, no seams or joints.
• R-Value: Approximately 4.2/inch of foam. (Fixed-Web and GBLOX™ R-22 / 2-4-2™ R-17)
• Polypropylene Reinforcing webs meet requirements for plastic materials when tested in accordance with ASTM D 1929, UBC 26, ASTMD635, ASTMD2843.
• Fastener withdrawal resistance in accordance with ASTM D 1761 and fastener lateral resistance testing.
• Wind Speed Rating: by P.E. design per ACI 318 and as required for specified use and as required by local code.
• Seismic Rating: by P.E. design per ACI 318 and as required for specified use and as required by local code.

NOTE: Further Physical and Technical detail can be found at www.greenblock.com. Some testing and evaluations performed by Intertek Testing Services.