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Fox Blocks Insulating Concrete Form (ICF) Products - CCRR Company: Fox Blocks Code Compliance Research Reports: CCRR-1010

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
	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

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
Fox Blocks Compact and Fox Blocks Compact Reveal ICFs	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 2025 CBC 2025 CRC 2025 CGBSC, Tile 24, Part 11 (CALGreen) 2023, 2020 LABC 2023, 2020 LARC	CCRR-1010

Product	Product Approval No.
Fox Blocks, Fox Blocks Compact and Fox Blocks Reveal	FL # 7497

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Attributes

Criteria	ICC-ES AC353 (2012)
Criteria	ASTM E119 (2020)
Criteria	ASTM E2634 (2018)
Criteria	ASTM C578:2019
CSI Code	03 11 19 Insulating Concrete Forming
Listing Section	CONCRETE FORMS
Spec ID	32745

Design Documents

FXB/ICF 240-01

FXB/ICF 240-02

Code Compliance Research Reports

CCRR-1010

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