Fox Buck is a wall opening block-out or buck system designed to integrate into wall systems constructed of Fox Block Insulating Concrete Foams (Fox Block ICF). It is designed as an opening buck to provide increased thermal resistance and adhesion of stucco finishes. It has an integrated polypropylene web structure for fastening. It is available in the following sizes:
- 4”, 6”, 8”, 10” and 12” Panels
MATERIAL RATINGS
Test Standard |
Test Type |
Rating |
ASTM C578 (EPS foam) |
Material property |
Type II EPS |
CAN/ULC S701 (EPS foam) |
Material property |
Type 2 EPS |
ASTM D635 (PP web insert) |
Material property |
CC1 classification |
ASTM D638 (PP web insert) |
Material property |
Min. tensile strength: 32.3 kN/m3 (675 lb/ft2) |
ASTM D732 (PP web insert) |
Material property |
Min. shear strength: 3080 psi |
ASTM D1929 (PP web insert) |
Material property |
Min. ignition temp. 350oC (662oF) |
PERFORMANCE TESTS
Fox Buck 6” has met the following ratings when installed in an ICF wall system filled with 25 Mpa special aggregate mix concrete. The joint between the ICF wall system and the Fox Buck is filled with spray foam.
Test Standard |
Test Type |
Rating |
TAS 202 with reference to ASTM E283 |
Air infiltration |
Maximum air infiltration of 0.004 CFM/ft2 at 6.3 psf |
TAS 202 with reference to ASTM E331 |
Water infiltration |
No water infiltration occurred at a rate of 5.0 US gal/ft.h and 6.3 psf for 15 minutes |
TAS 202 with reference to ASTM E330/E330M |
Uniform static air |
No resultant failure or distress at a maximum design load of 150 psf |
TAS 201 with reference to ASTM E1996 |
Missile impact |
No through penetration |
TAS 203 with reference to ASTM E1886 |
Cyclic wind pressure loading |
No resultant failure or distress |
ASTM D1761 (PP web insert) |
Test performed on flange and cross-web embedded in concrete using a #8 x 2-1/2" DuraGrip deck screw |
Ultimate Withdral Strength, lbf
- Flange: 276
- Cross-Web: 142
Ultimate Lateral resistance, lbf
- Flange: 413
- Cross-Web: 261
|
FLAME SPREAD RATINGS
Test Standard |
Flame Spread |
Smoke Development |
ASTM E84 (EPS) |
≤ 25 |
≤ 450 |
Product |
Product Approaval No. |
4”, 6”, 8”, 10”, 12” Fox Buck |
FL # 17775 |