EFCO 8800 Series Assembly Instructions Vol.2 - Manual (Page 19)

EFCO 2009 Page 19
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 2
Section 5 - SSG Unit Glazing: E. Jamb Mullion Installation
5. Clean the end dam of all oils and contaminants and apply a bed of sealant to the jamb corresponding to where the end dam will be applied.
6. Before the sealant begins to cure or skin over from steps 1 and 2, apply the gutter end dam flush with the underside and notched face of the gutter with (2)
STT6 screws.
7. Apply a heavy bead of sealant where the top of the gutter and the inside of the end dam meet (See figure 46). Tool all of the sealant around the end dam
smooth.
8. Insert L142 isolator into the jamb mullion and roll on the 17A9 jamb mullion cover (See Figures 47 and 48). Center 17A9 between the gutter and the stack sill
glazing adapter with equal spacing on each end.
9. Drive in WVD1 wedge gasket between 17A9 and the jamb mullion (See Figures 47 and 48).
Figure 44 Figure 45 Figure 46
Figure 49 Figure 48 Figure 47
Apply a bed of sealant
for the end dam
End Dam
STT6
17A9 Jamb
Mullion Cover
WVD1 Wedge
Gaskets
17A9 Jamb
Mullion Cover
Apply the end dam
flush with notch.
Tool sealant smooth,
blending it into the
adjacent surfaces.
L142