EFCO 8800 Installation Instructions - Manual (Page 40)

EFCO 2009 Page 40
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions
16. Set the next unit after the jamb unit by nesting the vertical stacking mullions together without snapping them. See Figure 88 on page 41.
17. Lower the units enough to engage the slab anchor bar (FM03 or FM04) at the sill, but still be approximately 1/2” above the engagement leg of the starter sill.
The unit hook anchors should have enough vertical adjustment to hook onto the slab anchors. See Figure 87.
18. Place a temporary 9/16” shim between the unit sill and the back of the gutter at the dynamic starter sill. The shims are used to maintain the correct spacing
at the stack joint area of the starter sill. See Figure 87.
Section 9 - Setting Units at Dynamic Starter Sills
1/2”
9/16” shim pack
placed on the interior
of the unit onto the
starter sill.
Engage anchor bar at
dynamic starter sill
slab anchor.
Unit dead load anchor
Figure 87 Figure 86
Mate mullions without snapping
them together before setting on
the starter sill.
Once unit is approximately 1/2”
above engagement leg of stack
sill, snap mullions together.