EFCO S5500 Outside Glazed - Manual (Page 26)

EFCO CORPORATION 6/2012 PART NO. Y550
Series 5500 Outside Glazed Installation Instructions
Section IV: Glazing Preparation
STEP #4 (Continued) INSTALL INTERIOR GASKETS IN MULLIONS
Important note: The glazing must be set immediately after this step before the sealant begins to cure.
If the sealant hardens before the glazing has been set, proper gasket compression at the corners will
be impeded, and may result in leakage.
To ensure a snug fit, seal all
gasket corners by pulling the
horizontal gasket back, seal-
ing the ends, and pressing
the gasket back into the ver-
tical gasket.
PRESET GASKETS
Setting blocks
located per shop
drawings.
STEP #6 INSTALL SETTING BLOCKS
Position and install the setting blocks as directed on the approved shop drawings. Note: Do
not set setting blocks in a bed of sealant. This can cause interference when the glass and
horizontal covers are applied.
Customer / Installer Note:
EFCO setting blocks are typi-
cally 4” in length with differ-
ent depths. If the glazing
infill is “NOT BY EFCO” and
glazing sizes are larger than
40 square feet, then the
glazing details must be re-
viewed by the glazing manu-
facturer for proper glazing
block size.