EFCO 5500X Outside Glazed - Manual (Page 24)

EFCO 2012 Page 24
Series 5500 XTherm ™ Curtain Wall Assembly and Installation Instructions
Section 8 - Shop Applied Joint Plugs
1. Using an approved solvent or cleaner, clean the joint plug, and the joint plug sealant contact surfaces of the mullions of all oils and other
contaminants.
2. Apply sealant to the joint plugs and the joint plug sealant contact surfaces of the mullions as shown and noted below. Be sure to fill the gasket reglets in the
vertical mullion at the sealant contact areas.
3. Insert the joint plugs into the openings oriented as shown, compressing them into place. The depression in the face of the joint plug is to allow clearance for
the exterior glazing gasket to pass by when it is installed later.
Figure 12
Figure 13
Figure 14
Figure 15
Apply a sealant bed on
the surfaces of the
mullion where shown.
Tool sealant all around
both joint plugs inside the
glazing pockets (interior
and exterior). Refer to the
figures on page 25 more
information.
Insert the joint plugs
into the openings of
the mullions.
Compress the joint
plugs in place,
flush with the end
and faces of the
vertical as shown.
Apply sealant on
three sides of each
of the joint plugs
where shown.
Head
Jamb
Joint Plug
Head
Jamb
Joint Plug
Jamb
Jamb
Head
Head