! j I I - National Roofing Contractors Association

CompositeRoof Board Insulation1. Company BENCHMARK BENCHMARK BENCHMARK BENCHMARK BIG SKY BIG SKY BIG SKYFOAM FOAM FOAM FOAM INSULATIONS INSULATIONS INSULATIONSINC INC INC INC INC INC INC2. SI8I8 SO SO SO SO MT HT HT3. Product - Name PermafOM Enercept Permafoam Permafoam Eps-per l i te Eps.Gypslln Eps. F iberbdC~site Panels C~s;te C~s;te CaI.,oSite C~site C~s;te4. Composite Component.:4.1 Expanded Polystyrana X X X X X X X4.2 Extruded Polystyrane4.34.4PolyurethanePolyisocyanurete X4.5 Perlite X X4.6 Gypsum Board X4.7 Fiber Board X X4B Plywood X X49 Other410 Other5. Surface ~atment:5.1 Asphalt Roofing Felt5.2 Foil Facer5.3 Kraft Facer5.4 Other5.5 Other6. Available as Tapered Material YES NO YE5 YES YES YES YES7. _ar First Used In Commercial Rooting Systems 1977 1982 1977 1977 1981 1981 19816. Common Available Sizes (Contact mfr for other sizes8.1 2' x 4' and special orders) X X X8.2 3' 4'8.3 4' x 4' X X X X X8.4 4' x 8' X X X8.5 Other 4x12 or 4x168.6 Other9. Common Available Thlckne...s (Contact mfr. for other(C) Values, (R) Values, Weight/fl'91 Thickness; in inches 2.0 8.0 2.0 2.0 1.75 1.5 1.5Thermal Conductance (C) @ 75°F 0.10 0.033 0.10 0.10 0.169 0.233 0.193Tioermal Resistance (R) @ 75Of 10.0 30.30 10.0 10.0 5.92 4.29 5.18Weight; Ibs/lt' 0.769 1.062 0.7539.2 Thickness; in inches 4.0 6.0 4.0 4.0 2.25 2.0 2.0Thermal Conductance (C) @ 75Of 0.06 0.045 0.05 0.06 0.127 0.161 0.14Thermal Resistance (R) @ 75Of 16.67 22.22 20.0 16.67 7.87 6.21 7.14Weight; Ibs/lt' 0.811 .1.104 0.7959.3 Thickness; in inches 6.0 6.0 6.0 2.75 2.5 2.5Thermal Conductance (C) @ 75Of 0.04 0.04 0.04 0.102 0.123 0.11Thermal Resistance (R) @ 75Of 25.0 25.0 25.0 9.80 8.13 9.09Weight; Ibs/lt' 0.853 1.146 0.8379.4 Thickness; in inches 8.0 8.0 8.0 3.25 3.0 3.0Thermal Conductance (C) @ 75Of 0.03 0.03 0.03 0.085 0.099 0.091Thermal Resistance (R) @ 75Of 33.33 33.33 33.33 11.76 10.10 10.99Weight; Ibs/lt' 0.845 1.187 0.8789.5 Thickness; in inches 3.75 3.5 3.5Thermal Conductance (C) @ 75Of 0.073 0.083 0.077Thermal Resistance (R) @ 75Of 13.70 12.05 12.99Weight; Ibs/lt' 0.936 1.229 0.929.6 Thickness; in inches 4.25 4.0 4.0Thermal Conductance (C) @ 75Of 0.064 0.072 0.067Thermal Resistance (R) @ 75Of 15.63 13.89 14.93Weight; Ibs/lt' 0.978 1.271 0.9610. Estimated % of Thermsl Value Retention @ 1 yesr 100 100 100 100 --;00- 100 100(Assuming a continuous mean temperatura 5 years 100 100 100 100 100 100 100differential and constant moisture content) 10 years 100 100 100 100 100 100 10011. UL "P" Design Numbers; Building Code Agency ICBO 4246Approval Numbers; ICBO, BOCA, SacCI (others) HlIJ 1067RAOCO 116512. LImitations and/or Restrictions13. See Insulation Appendix If checDd ..Note 1: FM Windstorm and Fira Ratings arB often important when considering the selection of aroofing insulation material To determine the availability of a rating and approved attachment .methods for various materials. refer to specific listings published in the FM Approval GuideNote 2: NA ~ Not applicable ...386 :