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• <br /> • <br /> Code Compliance Research Report CCRR-1043 Page 6 of 8 <br /> TABLE 1-PROPERTIES EVALUATED <br /> PROPERTY IBC SECTION1 IRC SECTION1 IECC SECTION1 <br /> Physical properties Not required Not required Not required <br /> Surface-burning <br /> characteristics 2603.3 R316.3 Not applicable <br /> Thermal barrier/ignition barrier 2603.4 R316.4 Not applicable <br /> C402.4 <br /> Air permeability 1202.3 R806.5 R402.4 <br /> Air Barrier Not applicable Not applicable C402.4.1.2.1 <br /> C402.5.1.2.2 <br /> Vapor retarder 202,1405.3.1 R702.7.1 Not applicable <br /> N 1101.10 C303.1.1 <br /> Thermal resistance 1301 N1102 C303.1.4 <br /> R303.1.1 <br /> R3031.4 <br /> Water-resistive Barrier 1404.2 R703.2 Not applicable <br /> Duct Insulation Not applicable N1103.2.1 R403.2.1 <br /> M1601.3 <br /> Exterior walls of Types I—IV 2603.5 Not applicable Not applicable <br /> construction <br /> 1 Section numbers refer to 2018 Codes <br /> TABLE 2—THERMAL RESISTANCE(R Values)1.2.3 <br /> THICKNESSES(inches) R-VALUE(°F.ft2.h/Btu) <br /> 1 6.5 <br /> 2 14 <br /> 3 21 <br /> 3.5 25 <br /> 4 29 <br /> 5.5 40 <br /> 6 43 <br /> 7.25 52 <br /> 8 58 <br /> 9.25 67 <br /> 10 72 <br /> 11.25 81 <br /> 1 R-values are calculated based on tested K-values at 1 inch and 3.5-inch thicknesses. <br /> 2 R-values greater than 10 are rounded to the nearest whole number. <br /> 3To determine R values for thickness not listed: <br /> a. Between 1 inch and 3.5 inch can be determined through linear interpolation;or, <br /> b. Greater than 3.5 inches can be calculated based on R 7.2/inch <br /> 545 E.Algonquin Road •Arlington Heights• Illinois•60005 <br /> intertek.com/building <br /> Intertek PCA-101 <br /> Version:21 December 2017 SFT-CCRR-OP-40b <br />