EFCO 8800 Series Assembly Instructions Vol.3 User Manual
Page 9
EFCO 2009
Page 9
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions - Volume 3
Section 7 - B. Outside 90° Corner Unit Frame Assembly
Intermediate
Horizontal
Figure 13
KV11 Shear
Block
STDO Shear
Block Screws
Remove excess
sealant from
horizontals.
12. Insert the horizontal onto the shear block and attach with (7) STD0 (1/4”-10 x 1” PL-FH-SMS 18-8 AB) fasteners per shear block. Note: The number and
locations of fasteners may vary. Remove all excess sealant from areas that will be exposed to the interior. See Figures 13, 14, and 15.
13. Remove excess sealant from gasket reglets and areas where the isolator clips and adapters will later be inserted. See Figure 15.
14. Cap seal the fastener at the face of the horizontals as shown in Figure 16.
Figure 14
Figure 15
Figure 16
Cap seal
fastener
heads.
Intermediate
Horizontal
KV11 Shear
Blocks
Unit Corner
Mullion
Top of
Mullion