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• STORK'' Stork Twin City Testing Corporation Materials Technology ir+ JOB NUMBER: 30160 09-03859R PAGE: 2 of 3 DATE: April 6, 2009 EFFECTIVE THERMAL RESISTANCE TESTING OF EPS INTRODUCTION: This report presents the results of Effective Thermal Resistance Tests conducted on samples of InSoFast EPS Panel. The testing was authorized by Mr. Ed Scherrer of InSoFast, LLC on March 24, 2009. The testing and data analysis were completed on March 25, 2009. The scope of our work was limited to conducting effective thermal resistance tests on the samples submitted and reporting the results. SUMMARY OF RESULTS: Sample, Effective R Value Density, lbf/It3 EPS 4.45 1.39 SAMPLE IDENTIFICATION: The sample was identified as a 12"x 12" x 1" panel of EPS insulation. TEST METHOD: The specimen was allowed to condition at standard laboratory conditions of 72 ± 4°F and 50 ± 5% relative humidity for at least 40 hours prior to testing. The thermal resistance testing was conducted using ASTM Standard C518-04, "Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus" as a procedural guide. The specimen was placed in a Netzsch Heat Flow Meter; model HFM 436/3/1 ER. Steady-state heat flux measurements were made at a mean temperature of approximately 75°F using a hot face temperature of approximately 100°F and a cold face temperature of approximately 50°F. Specimen thermal resistance and thermal conductivity were determined by comparing the heat flux measurements of the specimen to measurements made on a known Standard Reference Material. Resistance values obtained from the Heat Flow Meter are best utilized for homogenous specimens. Test Method Test.Method Title Notes/Deviations from Method Standard Test Method for Steady- The effective thermal resistance ASTM C518-04 State Thermal Transmission testing was conducted using ASTM Properties by Means of the Heat Flow Standard C518-04, as a procedural Meter Apparatus _ guide. Information and statements in this repot are Mrved hat material iMo,maW,allor spectcarpns furnished by the them and exclude any expressed or Implied wa,an40s as to the!Mess of the malenal tested or alallaed for any particular purpose o,use This repot is the confidential popery of our client and may not be used for advertising purposes.This repot shall not be reproduced except in hd.withal vnten approval of This laboratory.The wady°c false,fictitious a fraudulent statements a¢tees m this document may be punished as a felony under Federal s6Les including Federal Law The 10,Clupta47 Stork Twin City Testing Corporation is an operating unit of Stork Materials Technology B V., Amsterdam,The Netherlands,which is a member of the Stork Group