A Class A fully adhered TPO roofing assembly terminates at a two-hour fire wall featuring a one-and-seven-eighths-inch air gap and glass fiber insulation secured with staples. The roof assembly includes R-38 glass fiber insulation and a metal drip edge at the exterior transition. The cavity wall assembly maintains continuous separation across the roof intersection.
F8 A5.1 5 A5.13 1 7/8" A I R G A P DRIP EDGE R-38 INSULATION GLASS FIBER INSULATION SECURED W/ STAPLES E X T E R I O R INTERIOR EXTERIOR CLASS "A" TPO ROOFING - FULLY ADHERED PER UL R1306
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