EFCO 5500X Outside Glazed - Manual (Page 39)

EFCO 2012 Page 39
Series 5500 XTherm ™ Curtain Wall Assembly and Installation Instructions
Typical Expansion Mullion Frames
Section 11 - Install Single Span Frame Components
Stack the frames
together, mating the
expansion mullions
until they snap and
shim level and plumb.
Apply joint plugs into the
open areas adjacent to the
horizontals as shown in
Section 8, starting on page 29.
Snap fillers in to
head and sill.
Male Expansion
Mullion
17. Stack the expansion joint frames together as described on page 38, and anchor once the frame is level and plumb.
Seal the vertical joint at
expansion mullions
continuously with sealant
(see Figure 47, page 38).
Anchor the frame into
the opening as shown
on pages 33 and 34.
Female Expansion
Mullion
Mullion Clip at 48”
o/c max.
(FK34 - 7” system)
(FK35 - 8” system)