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American PolySteel Technical Data Page 2 of 2 <br /> TYPICAL DESIGN VALUES <br /> Expanded Polystyrene density 1.5 lbs./cu. ft. <br /> Average thickness of EPS 2.4" per side (6"core); 2.5"per side <br /> R-Value of 1.5 Ib. /cu ft EPS 4.17/inch <br /> K-Factor of 1.5 Ib. /cu ft EPS 0.24/inch <br /> Average R-Value Per Form 20" (See Effective R-Value) <br /> Thermal mass with concrete 56 lbs./sq. ft. (6"core), 76 lbs./sq. i <br /> core) <br /> Air Infiltration Comparison 25% versus wood frame <br /> 'Effective R-value for PolySteel R26 to R30 <br /> Wall <br /> Water absorption (volume) Less than 3% (ASTM C272) <br /> Water Vapor 1.39 perm in. <br /> Transmission 1.27 perms per inch <br /> Breathability/permeability <br /> Sound class 48 with 1/2"drywall <br /> Fire Wall 4 hours,without the addition of any <br /> coverings to assist in its performanc <br /> EPS compressive strength 15-21 psi (10% deformation) <br /> If. Concrete compressive strength 3,000 psi (typical) <br /> Concrete pouring temperature Down to 0°F (-18° C) <br /> kap qo*o ps Go ai c rev4- - w k.,L o u+►�e� <br /> DAyS " btCA&C."..f-rix. e".vrrall'a 7/.L <br /> /�/6!./ .!frviwts C4rt�s IV q a as v 14'r <br /> CSI Specifications Code Approvals <br /> Installation Manual Tools& Accessories <br /> Technical Assistance Safety Information <br /> home home owners • builders • commercial • architects & engineers <br /> http://polysteel.com/tech.htm 5/3/2005 <br />