EFCO 8800 Series Assembly Instructions Vol.2 - Manual (Page 34)

EFCO 2009 Page 34
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 2
Section 6 - Captured 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 104). Tool all of the sealant around the end dam
smooth.
8. Insert L142 isolator into the jamb mullion and roll on the 17H5 jamb mullion cover (See Figures 105 and 106). Center 17A9 between the gutter and the stack
sill glazing adapter with equal spacing on each end.
9. Drive in WVD1 wedge gasket between 17H5 and the jamb mullion (See Figures 105 and 106).
Figure 102 Figure 103 Figure 104
Figure 107 Figure 106 Figure 105
Tool sealant smooth,
blending it into the
adjacent surfaces.
Apply the end dam
flush with notch. Apply a bed of sealant
for the end dam
End Dam
STT6
17H5 Jamb
Mullion Cover
WVD1 Wedge
Gasket
17H5 Jamb
Mullion Cover