A TPO roof membrane extends up the wall and over the parapet, bearing on wood blocking and a 5/8-inch roof board over a steel deck sized per structural drawings. A vapor retarder and air barrier wrap the assembly, backed by 3 inches of rigid insulation and cavity batt insulation with a minimum rating of R-19 within 6-inch steel studs.
7 6" STEEL STUD 3" RIGID INSULATION AIR BARRIER CAVITY BATT INSUL. (R-19 MIN.) VAPOR RETARDER TPO ROOF MEMBRANE - EXTEND UP WALL & OVER PARAPET STEEL DECK - SEE STRUCTURAL WOOD BLOCKING 5/8" ROOF BOARD
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