An aluminum storefront head mullion interfaces with the overhead structural substrate, separated by a continuous backer rod and color-matched sealant joint. One-inch insulating glass units secure into the framing pocket using glazing gaskets and sealants matched to the mullion color. The rough opening and daylight opening dimensions are maintained relative to the head profile. A line represents the floor, wall, ceiling, or walking surface where applicable.
EXTERIOR DLO (DAYLIGHT OPENING) R.O. (ROUGH OPENING) 1" INSULATING GLASS (GL-1)WITH DUAL EDGE SEALING RE:TO SCHEDULE FOR GLASS TYPE GASKET/ SEALANT - MATCH COLOR OF ALUMINUM OR H.M. FRAME/ DOOR U.N.O. CONTINUOUS BACKER ROD AND SEALANT. COLOR MATCH TO FRAME /MULLION COLOR U.N.O LINE REPRESENTS FLOOR/WALL. CEILING/ WALKING SURFACE WHERE OCCURS GLAZING WINDOW/ CURTAIN WALL/ STOREFRONT MULLION RE: SPECS FOR MULLION SIZE RE: SPECS FOR MULLION SIZE INTERIOR
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