EFCO 5500X Outside Glazed - Manual (Page 30)

EFCO 2012 Page 30
Series 5500 XTherm ™ Curtain Wall Assembly and Installation Instructions
Section 8 - Shop Applied Joint Plugs
24. 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.
25. Apply sealant to the joint plug 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.
26. Insert the joint plugs into the openings oriented as shown, compressing them in to place.
27. Once the plugs are flush and in place as shown, tool the excess sealant over the top and bottom surfaces of the joint plug, smoothing the sealant onto the
adjacent surfaces.
28. Tool the sealant around the plug, sealing it to the surfaces of the glazing pocket. See figures 37, and 38.
29. Remove all excess sealant, particularly at the face of the joint plug, which will later marry into the exterior gasket and the back of the pressure plate.
Figure 36
Apply a sealant bed on
the surfaces of the
mullion where shown.
Insert the joint plug
into the opening
between the mullions.
Compress the joint
plugs in place, flush
with the faces of the
vertical as shown.
Apply sealant on three
sides of the joint plug
where shown.
Figure 37
Figure 37
Figure 38
Remove all excess sealant,
from the face of the joint plug.
Remove all excess sealant,
from the face of the joint plug.
Tool the sealant over the
bottom of the plug, sealing
it to the adjacent surfaces of
the glazing pocket.
Tool the sealant over the top
of the plug, sealing it to the
adjacent surfaces of the
glazing pocket.
Joint Plug
Joint Plug
Horizontal
Intermediate
Vertical
Intermediate
Vertical
Intermediate
Vertical
Intermediate
Vertical
Horizontal
Horizontal
Horizontal