· Weight: Approximate weight 5-8 lbs. / sq.ft.
· Fire Rating: Zero flame spread, zero smoke, zero fuel
· Compressive Strength: 2,500 PSI to 3,000 PSI (UBC No. 26-10, I and IV
· Tensile Strength: 600 PSI (ASTM-C190)
· Water absorption: 13% to 15% (UBC No. 32-12)
· Thermal Resistance: R= 1.24 (ASTM-C177-71)
· Shear Strength: 120 PSI to 130 PSI (ASTM)
· Freeze/Thaw: Less than 1% (ASTM-C67-83)
