DuraEIFS™ expanded polystyrene (EPS) can be readily fabricated into a variety of configurations to afford a higher degree of freedom in architectural design considerations. It is ideal for exterior installation, in both new construction and in retrofit applications, providing an economical alternative for traditional construction materials.
Features
- Compatible and approves for most EIFS currently on the market
- Oven cured for unsurpassed long-term dimensional stability
- Random third-party testing assures consistent quality in every piece
- Meets all performance standards as specified in ASTM C 578
| Physical Properties | ASTM Test Method | |
| Nominal density | 1.00 pcf | C 303 or D 1622 |
| Thermal Resistance | R-Value 4.17/in at 40 F 3.85/in at 75 F |
C 177 or D 518 |
| Compressive Strength | 10-14 psi | D 1621 |
| Water Vapor Transmission | 2.0 - 5.0 perm in | E 96 |
| Water Absorption | 4.0 (max) % by volume | C 272 |
| Flame Spread | 15 | E 84 |
| Smoke Developed | 95-125 | E 84 |