Fox Blocks ICFs
Fox Blocks ICFs are Insulating Concrete Form (ICF) systems that are formed of expanded polystyrene with polypropylene plastic cross-ties. Fox Blocks ICFs are pre-assembled ICF forms with a reversible, interlocking connection design. The systems are available in the following sizes and configurations:
- 4" Straight
- 4" 90° Corner
- 4" 45° Corner
- 6" Straight
- 6" 90° Corner
- 6" 45° Corner
- 6" Corbel Ledge
- 6" Taper Top
- 6" T-Block (Short)
- 6" T-Block (Long)
- 6" Radius Blocks (5',6',7',8',9' &10')
- 8" Straight
- 8" 90° Corner
- 8" 45° Corner
- 8" Corbel Ledge
- 8" Taper Top
- 8" T-Block (Short)
- 8" T-Block (Long)
- 8" Curb Block
- 10" Straight
- 10" 90° Corner
- 12" Straight
- 12" 90° Corner
- High Extender
Fox Blocks Compact ICFs
Fox Blocks Compact ICFs are Insulated Concrete Form (ICF) systems that are formed of expanded polystyrene with polypropylene plastic cross-ties. Fox Blocks Compact ICFs are pre-assembled ICF forms with a reversible, interlocking connection design. The systems are available in the following sizes and configurations:
- 4" Straight
- 4" 90° Corner
- 4" Taper Top
- 6" Straight
- 6" 90° Corner
- 6" 45° Corner
- 6" Corbel Ledge
- 6" Taper Top
- 8" Straight
- 8" 90° Corner
- 8" 45° Corner
- 8" Corbel Ledge
- 8" Taper Top
- 10" Straight
- 10" Corbel Ledge
- 10" Taper Top
- 12" Straight
- 12" Corbel Ledge
- 12" Taper Top
Fox Blocks Reveal ICFs
Fox Blocks Reveal is a type of Fox Blocks ICFs which are insulating concrete form systems formed of expandable polystyrene, and with polypropylene plastic cross-ties. The Fox Blocks Reveal ICF has only one side of foam plastic panel, where the opposing side is a temporary plywood sheathing that is to be removed from installation site after curing of the concrete. The Fox Blocks Reveal products are available in the following configurations:
- 4" Straight
- 6" Straight
- 8" Straight
- 10" Straight
- 12" Straight
Fox Blocks Compact Reveal ICFs
Fox Blocks Compact Reveal is a type of Fox Blocks Compact ICFs which are insulating concrete form systems formed of expandable polystyrene, and with polypropylene plastic cross-ties. The Fox Blocks Compact Reveal ICF has only one side of foam plastic panel, where the opposing side is a temporary plywood sheathing that is to be removed from installation site after curing of the concrete. The Fox Blocks Compact Reveal products are available in the following configurations:
- 4" Straight
- 6" Straight
- 8" Straight
- 10" Straight
- 12" Straight
Fox Blocks and Fox Blocks Reveal Ratings
| Product/Assembly |
Standard |
Rating (if applicable) |
| Fox Blocks and Fox Blocks Reveal ICFs |
ASTM E119 |
Design No. FXB/ICF 240-01 |
| CAN/ULC S101 |
ASTM E2634, including:
ASTM C578 (EPS)
ASTM D635 (cross-tie)
ASTM D638 (cross-tie)
ASTM D732 (cross-tie)
ASTM D1761 (cross-tie)
ASTM D1929 (cross-tie)
ASTM E84 (EPS)
UL 1715 (ICF) |
Type II EPS
CC1 classification
Min. tensile strength: 32.3 kN/m2 (675 lb/ft2)
Min. shear strength: 3080 psi
Refer to Table 2 of CCRR-1010
Min. Ignition Temp. 350°C (662°F)
FSI ≤ 25, SDI ≤ 450
Meets ASTM E2634 Section 6.3.1 |
| ICC-ES AC353 |
CCRR-1010 |
| ASTM E283 (4” ICF) |
Max air infiltration 0.02 cfm/ft2 |
| ASTM E331 (4” ICF) |
No water leakage after 2 hours;
15 psf pressure differential |
CAN/ULC S717.1, including:
CAN/ULC S701 (EPS)
ASTM D635 (cross-tie)
ASTM D638 (cross-tie)
ASTM D732 (cross-tie)
ASTM D1761 (cross-tie)
ASTM D1929 (cross-tie) |
Type 2 EPS
CC1 classification
Min. tensile strength: 32.3 kN/m2 (675 lb/ft2)
Min. shear strength: 3080 psi
Refer to Table 2 of CCRR-1010
Min. Ignition Temp. 350°C (662°F) |
Fox Blocks Compact and Fox Blocks Compact Reveal Ratings
| Product/Assembly |
Standard |
Rating (if applicable) |
| Fox Blocks Compact and Fox Blocks Compact Reveal ICFs |
ASTM E119 |
Design No. FXB/ICF 240-02 |
| CAN/ULC S101 |
ICC-ES AC353 (2012)
ASTM C578 (EPS)
ASTM D635 (Cross-tie)
ASTM D1761 (Cross-tie)
ASTM D1929 (Cross-tie)
ASTM E84 (EPS)
UL 1715 (ICF) |
CCRR-1010
Type II EPS
CC2 Classification
Refer to Table 2 of CCRR-1010
Min. Ignition Temp. 350°C (662°F)
FSI ≤ 25, SDI ≤ 450
Meets ICC-ES AC353 (2012), Section 3.4 |
CODE COMPLIANCE RESEARCH REPORT
| Evaluation Method |
Building Code |
CCRR Number |
| ICC-ES AC353 |
2024, 2021, 2018 IBC
2024, 2021, 2018 IRC
2022 CBC
2022 CRC
2022 CGBSC, Tile 24, Part 11 (CALGreen)
2023, 2020 LABC
2015 NBCC - Part 9 |
CCRR-1010 |
| Product |
Product Approval No. |
Fox Blocks, Fox Blocks Compact
and Fox Blocks Reveal |
FL # 7497 |
