A two-hour fire-rated glazing assembly abuts a two-hour rated partition with a perimeter frame secured against the wall. Mineral wool insulation and a flexible extruded silicone flashing fill the joint between the partition and the horizontal mullion. Backer rod and sealant close the interior and exterior interface gaps. Spacer blocks position the glass within the framing system beneath a mullion cover cap.
PERIMETER FRAME SPACER MULLION COVER CAP 2-HR FIRE RATED GLAZING ASSEMBLY 2-HR RATED PARTITION BACKER ROD AND SEALANT SEALANT HORIZ. MULLION MINERAL WOOL INSULATION AND FLEXIBLE EXTRUDED SILICONE FLASHING
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