An aluminum window system mullion rests on exterior framing and exterior sheathing, bedded with shims as required. A pre-finished aluminum sill pan matches the exterior aluminum panel, featuring a waterproofing pan sloped at a minimum of one-quarter inch per foot. A weep hole drains moisture above backer rod and sealant joints. High-temperature weather-resistive barrier and self-adhered flashing protect the exterior sheathing behind the pre-finished aluminum composite metal panel. Any penetrations in the waterproofing membrane and weather-resistive barrier must be fully sealed.
EXTERIOR FRAMING AND EXTERIOR SHEATHING PER PLANS SHIM, AS REQUIRED INSULATED GLASS NOTE: ANY PENETRATIONS IN WATER PROOFING MEMBRANE/WRB SHALL BE FULLY SEALED. INTERIOR PRE-FINISHED ALUMINUM SILL PAN TO MATCH ALUMINUM PANEL EXTERIOR SHEATHING ALUMINUM WINDOW SYSTEM MULLION WEEP HOLE BACKER ROD AND SEALANT HIGH TEMPERATURE WRB PRE-FINISHED ALUMINUM COMPOSITE METAL PANEL SELF-ADHERED FLASHING PAN, WATERPROOFING AND TOP OF WALL TO SLOPE MIN. 1/4" PER FOOT
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