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EFCO 8800 Series Assembly Instructions Vol.2 User Manual

Page 33

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EFCO 2009

Page 33

Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 2

Figure 97

Section 6 - Captured Unit Glazing: E. Jamb Mullion Installation

Figure 98

Figure 100

Figure 99

Figure 101

1. Clean the sealant contact surfaces on the underside of the gutter (Figure 98) and the top of the jamb (Figure 99) using an approved solvent or

cleaner. Apply a heavy bed of sealant to the underside of the gutter and onto the mullion stack leg of the assembled mullion as shown in Figure 98.

2. Apply a heavy bead of sealant to the jamb as shown in Figure 99.
3. Tilting the jamb at an angle as shown in Figures 98 and 99, mate the jamb and unit mullions beginning at the gutter end and rotating the jamb into place as

shown. Use clamps to snap together the jamb to the unit mullion. Light tapping with a glazing hammer will aid in snapping the mullions.

4. Secure the jamb mullion to the unit with SFQ5 fasteners into the 8806 spacers. Tool the sealant smooth as shown in Figure 101.

Tool sealant smooth,
blending it into the
adjacent surfaces.

Slide WC21 gasket into the jamb

mullion (See Volume 1, Page 26.

Apply the “Z” clip to the vertical mullion

(See Volume 1, Pages 29 and 30.

8806 Spacer
(See Volume 1, Page 31).

SFQ5

8806 Spacer

(See Volume 1, Page 31).

Apply a heavy bed of sealant
on the underside of the gutter
and onto the mullion stack leg.

Apply a heavy bead
of sealant to the end
of the jamb.

Insert the top of the

mullion first, mating it

with the unit mullion

SILL

HEAD

8806

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