EFCO 8800 Series Assembly Instructions Vol.5 User Manual
Page 10

EFCO 2009
Page 10
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 5
2. Using an approved solvent or cleaner, clean the sealant contact surfaces of the jamb adapters and mullions of all oils and other contaminants.
3. Apply sealant to the contact surfaces at the intersection of the concealed vent horizontals and the vertical mullions where the jamb adapter abuts into the
horizontals (4 locations). See Figure 3 and 4 on page 11.
4. Apply sealant to each end of the concealed vent jamb adapters. See Figure 5 and 6 on page 11.
Section 18 - Frame Assembly - Vent at Fixed Horizontal
Figure 2
17L5 Concealed Vent
Jamb Adapter
17L5 Concealed Vent
Jamb Adapter
Apply sealant at the intersection of the
concealed vent horizontals and the verticals
where the ends of the jamb adapter will abut.
(See Figures 3 and 4 on page 11).
Apply sealant to each end of
the jamb adapters. (See
Figures 5 and 6 on page 12).
Concealed Vent
opening
HEAD
SILL