Test Data
APEX Block™ Characteristics and Test Results
| Physical Characteristics of Blocks | Rating or Result | Tests of Analysis |
|---|---|---|
| Material density | 15-20 PCF; Avg 17.5 PCF | On-going testing of coupon samples cut from products in finished goods, average at 28 days. |
| Material tensile bending strength | 28 psi | On-going testing of coupon samples cut from products in finished goods, average at 28 days. |
| Material compressive strength | 40.1 psi | Average value for test samples cut from blocks in conjunction with Wall Compressive Strength tests, described below. |
| Fire resistance ASTM E84-05 Comparable to UBC 8-1, 1997 UL 723 ANSI/NFPA 255 |
Flame spread: 0 NFPA Class: A UBC Class: 1 |
10′ X 12′ load-bearing wall, vertical exposure furnace, 3-hr test |
| Smoke development | Smoke developed: 50 | Maximum allowable smoke development: 450 |
| Sound transmission test ASTM E90 |
STC: 42OITC: 40 | Apex 10″ wall system w/ 5/8″ gypsum board on interior, 3/4″ stucco on exteriorPerformed by ATI, York, PA |
| Thermal resistance ASTM C1363 ASTM C518 |
Results pending | |
| Recycled content per block | Approx. 90% by volume | Recycled expanded polystyrene foam bead, measured at time of block manufacture |
| Structural Characteristics of Walls | Rating or Result | Tests of Analysis |
|---|---|---|
| Shear capacity, 10.7-ft.-wide walls | 60.6 kips, with maximum variation of 5.2 kips | Walls were loaded laterally at the top corner while a specified eccentric axial compression load was applied simultaneously at the top to failure. |
| Shear capacity, 4-ft.-wide walls | 16.6 kips, with maximum variation of 5.2 kips | As above |
