InsulFoam HD Composite insulation board comprises closed-cell, expanded polystyrene (EPS) foam bonded to a 1/2″-thick high-density polyisocyanurate cover board. Available in 4′-by-8′ sheets, the insulation board comes in thicknesses ranging from 1.5″ to 7″ and R-values between 6.4 and 25, respectively. It can be used on single-ply membrane roof systems, built-up- and modified-bitumen systems, and as an underlayment for metal roofing systems. The 100% recyclable, HCFC- and formaldehyde-free EPS foam is available with compressive strengths from 10 to 60 lbs. per square inch and densities from 1 to 3 lbs. per cubic foot. insulfoam.com.
About the Author
Wanda Lau
Wanda Lau, LEED AP, is the former executive editor of ARCHITECT magazine. Along with 10 years of experience in architecture, engineering, and construction management, she holds a B.S. in civil engineering from Michigan State University, an S.M. in building technology from MIT, and an M.A. in journalism from Syracuse University's Newhouse School. Her work appears in several journals, books, and magazines, including Men's Health, ASID Icon, and University Business. Follow her on Twitter.
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