Physical & Technical Characterists

Physical & Technical Characteristics of Greenblock

  • 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) 50+
  • Minimum Pouring Temperatures: to minus 4º F or minus 20º C
  • Production Method: Shape molded Flame Retardant Expandable Polystyrene (EPS)
  • Code Approval:
    • Intertek Research Report IRR-1016
    • State of Florida product approval FL17110-R1
  • Greenblock ICF Wall Systems meet the ASTM E119 4 hour (6″-12″ Systems) and 2 Hour (4″ System) 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, 2500 psi concrete.
  • Pour Height 3’-9’ monolithic pours, no seams or joints.
  • R-Value: Approximately 4.4/inch of foam. (Fixed-Web and GBLOX R-24 / 2-4-2 R-18)
  • 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 details can be found at www.greenblock.com. Some testing and evaluations performed by Intertek Testing Services.