EFCO 5500X Outside Glazed - Manual (Page 31)

EFCO 2012 Page 31
Series 5500 XTherm ™ Curtain Wall Assembly and Installation Instructions
30. 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.
31. 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.
32. 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.
Section 8 - Shop Applied Joint Plugs
Figure 39
Figure 40
Figure 41
Figure 42
Insert the joint plugs
into the openings of
the mullions.
Joint Plug
Sill
Apply sealant on
three sides of each
of the joint plugs
where shown.
Apply a sealant bed on
the surfaces of the
mullions where shown.
Sill
Joint Plug
Tool the excess sealant
over the top and bottom
surfaces of the joint plug
filling the slots in the plug.
Tool sealant all around
the joint plug inside the
glazing pocket.
Remove all excess
sealant, from the face
of the joint plug.
Sill
Intermediate
Vertical
Intermediate
Vertical
Intermediate
Vertical
Intermediate
Vertical
Sill
Remove all excess
sealant, from the face
of the joint plug.