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PolySteel Form Technical Data Sheet
 

PRODUCT DESCRIPTION
An expanded polystyrene concrete forming unit which is used to construct a monolithic reinforced concrete wall. The forms remain in place providing a super energy efficient concrete wall and finished with conventional interior and exterior wall coverings.

 
MATERIALS OF MANUFACTURE
 

PolySteel

 

Molded expanded polystyrene (EPS), self-extinguishing, confirming to ASTM ASTM C 578

Galvanized welded steel cross ties, 11-gauge minimum thickness, wire welded in at least 40 locations

22-gauge x 1˝" wide galvanized steel attachment furring strips, recessed 1/2"

  
 
   
   
   
 
  

NOMINAL DIMENSIONS

6" Form

8" Form

10" Form

PS3000
Length 48" 48" 48"
Height 16" 16" 16"
Width 9.25" (6" core) 11" (8" core) 14" (10" core)
PS4000  
Length 48" 48" --
Height 12" and 24" 12" and 24" --
Width 11" (6" core) 13" (8" core) --

 

CONCRETE REQUIREMENTS TABLE  (Adobe® Acrobat files)

 
Typical Design Values PS3000 PS4000
Expanded Polystyrene Density 1.5 lbs. / cu. ft. 1.5 lbs. / cu. ft.
Average thickness of EPS 2.4" per side (6" core);
2.5" per side (8" core);
3.0" per side (10" core)
2.5" per side
R-Value of 1.5 lb. / cu ft EPS 4.17 / inch 4.17 / inch
K-Factor of 1.5 lb. / cu ft EPS 0.24 / inch 0.24 / inch
Average R-Value Per Form 20-25 (See Effective R-Value) 22 (See Effective R-Value)
Thermal mass with concrete 56 lbs. /sq. ft. (6" core),
76 lbs. /sq. ft. (8" core),
100 lbs./sq. ft. (10" core)
72 lbs. /sq. ft. (6" core),
96 lbs. /sq. ft. (8" core)
Air Infiltration Comparison 25% versus wood frame 25% versus wood frame
*Effective R-value for PolySteel Wall R26 to R50+ R26 to R50+
Water absorption (volume) Less than 3% (ASTM C272) Less than 3% (ASTM C272)
Water Vapor 0.93 perms per 1.5" (minimum) 0.56 perms per 2.5" (minimum)
Water Vapor / Permeance 1.27 perms per inch 1.27 perms per inch
Sound class 48 with 1/2" drywall 57 minimum (6" core)
Fire Wall 4 hours, without the addition of any wall coverings to assist in its performance 4 hours, without the addition of any wall coverings to assist in its performance
EPS compressive strength 15-21 psi (10% deformation) 15-21 psi (10% deformation)
Concrete compressive strength 2,500 psi (typical) 2,500 psi (typical)
Concrete pouring temperature Down to 0°F (-18° C) Down to 0°F (-18° C)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

American PolySteel, LLC, a division of ARXX: 1-800-293-3210

©2005-2012, American PolySteel, LLC. All rights reserved.
PolySteel is a registered trademark of American PolySteel, LLC
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