Series 5500 xtherm – EFCO 5500X Outside Glazed User Manual

Page 26

EFCO 2012

Page 26

Series 5500 XTherm

™

Curtain Wall Assembly and Installation Instructions

Section 8 - Shop Applied Joint Plugs

8. 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.

9. 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.

10. Insert the joint plugs into the openings oriented as shown, compressing them in to place.
11. 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.

12. Tool the sealant around the plug, sealing it to the surfaces of the glazing pocket. See figures 22, and 23.
13. 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 20

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 21

Figure 22

Figure 23

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.

Jamb

Horizontal

Jamb

Joint Plug

Jamb

Joint Plug

Horizontal