The Stronghold ICF System is manufactured using expandable polystyrene (EPS) panels with polypropylene cross-ties. The FX Series are with fixed internal cross-ties; the KD Series are with a reversible, interlocking connection design. The core thicknesses are 4, 6, 8, 10 and 12 inches. The product is available in the following sizes and configurations.
Stronghold FX Series
- 4, 6, 8, 10, 12-inch Straight
- 4, 6, 8, 10, 12-inch 90º Corner
- 4, 6, 8, 10, 12-inch 45º Corner
Stronghold KD Series
- 4, 6, 8, 10, 12-inch Straight
- 4, 6, 8, 10, 12-inch 90º Corner
- 4, 6, 8, 10, 12-inch 45º Corner
CODE COMPLIANCE RESEARCH REPORT
| Evaluation Method |
Building Code |
CCRR Number |
| ICC-ES AC353 |
2024, 2021, 2018 IBC
2024, 2021, 2018 IRC |
CCRR-0353 |
MATERIAL RATINGS
| Test Standard |
Test Type |
Rating |
| ASTM C578 |
Physical Properties |
Met Type II Requirements |
| ASTM E2634 |
Physical Properties |
Met Conditions of Acceptance |
FIRE RATINGS
| Test Standard |
Rating |
Design Number |
| ASTM E119 |
3 h |
STR/ICF 180-01 |
This product is under the following quality assurance program:
| Product |
Product Approval No. |
| Stronghold Insulated Concrete Form (ICF) Systems |
FL 30543 |
