| Expanded Polystyrene density |
1.5 lbs./cu.ft. |
24.02769 kg/m3 |
| Average thickness of EPS |
2½” per panel (5” total) |
12.7cm (6.35cm per panel) |
| Material R-value |
R-22 Foam Value |
R-22 Foam Value |
Performance R-value
(concrete, form R-value, air infiltration reduction, and thermal mass) |
R-30 to R-52 |
R-30 to R-52
U 0.33 to U 0.02 |
| Actual R-value per inch of EPS Foam |
4.2/inch |
|
| Thermal Mass (form & concrete) |
4” Core: 47.5 lbs./ft2
6” Core: 72 lbs/ft2
8” Core: 96 lbs/ft2
10” Core: 119 lbs/ft2
12” Core: 143 lbs/ ft2 |
4” Core: 231.9 kg/m2
6” Core: 351.5 kg/m2
8” Core: 468.7 kg/m2
10” Core: 581.0 kg/m2
12” Core: 698.2 kg/m2 |
| K-Factor |
.24/inch |
|
| Water absorption |
- 3% (ASMC272) |
- 3% (ASMC272) |
| Water vapor |
0.56 perms per 2½” Panel |
0.84 metric perms per 2½” Panel |
| Sound class |
52 with ½” sheet rock on inside |
52 with ½” sheet rock on inside |
| Fire wall |
3 Hour Fire Rating on BB-600 Wall (Loading 5,000 lb. per lineal feet throughout test.)
(Post test loading 12,000 lbs. per lineal foot with no additional depletion.) |
3 Hour Fire Rating on BB-600 Wall (Loading 7440.6 kg/m throughout test.)
(Post test loading 17857.9 kg/m with no additional depletion.) |
| Concrete compressive strength |
Recommended 3000 psi minimum |
Recommended 20 MPa minimum |
| Recommended concrete pouring temperature* |
15°F to 120°F* |
(-9°C to 49°C)* |
