Products / ENRGY 3 CGF

ENRGY 3 CGF is a closed-cell polyisocyanurate roof insulation board with inorganic coated glass facers containing no cellulose, sold flat (4 by 4 and 4 by 8 foot) and tapered (4 by 4 foot) and suited to fully adhered single-ply systems. The data sheet (RS-5554, 7-25) says it meets ASTM C1289 Type II Class 2, Grade 2 (20 psi) and Grade 3 (25 psi), and says it achieves a UL Class A approval directly over a combustible wood deck at slopes up to 1/2 in 12. It lists production in Bremen, Indiana, Cornwall, Ontario and Fernley, Nevada.