Intertek Directory of Building Products

Airlite Fox Buck Company: Fox Blocks, a Division of Airlite Plastics Co.


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
Listing Report Return to Search
Attributes
CriteriaASTM D1929-96 (2001)
CriteriaTAS 203
CriteriaTAS 201
CriteriaTAS 202
CriteriaASTM D1761 (2006)
CriteriaASTM D635 (2006)
CriteriaASTM D638 (2008)
CriteriaCAN / ULC S701 (2011)
CriteriaASTM C578 (2012a)
CriteriaASTM E84 (2015)
CriteriaASTM D732 (2002)
CSI Code03 11 19 Insulating Concrete Forming
Listing SectionCONCRETE FORMS
Spec ID35512
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