EFCO 8800 Series Assembly Instructions Vol.3 - Manual (Page 16)

EFCO 2009 Page 16
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions - Volume 3
7. Apply shear blocks (KV12) for the intermediate horizontals to the unit corner mullion with (4) SM00 (1/4"-10 X 3/4 SL-HW-SMS ZC A) at each intermediate
horizontal location.
8. Attach a 1” x 1” alum. Angle caulk stop x 1” long to each end of the corner mullion with (1) STK4 fastener (#8-18 x 3/4” PL-FH-SMS 410 TEK 2).
Section 8 - Inside 90° Corner Unit Frame Assembly : A. Mullion Subassembly
KV12 Shear
Block
Unit Corner
Mullion
Top of
Mullion
Figure 35
KV12 Shear
Blocks
SMOO Shear
Block Screws
STK3
Alignment
Screw
Figure 33
Figure 34
Figure 36 Figure 37
Top of
Mullion
Bottom of
Mullion
1” x 1” Alum. Angle x 1”
long attached to corner
mullion with (1) STK4
1” x 1” Alum. Angle x 1”
long attached to corner
mullion with (1) STK4
STK4
STK4