EFCO S5900 Structural Glazed - Manual (Page 18)

EFCO CORPORATION 6/2012 PART NO. Y354 Page 18 of 23
Series 5900 Silicone Structural Glazed Curtain Wall Installation
X: Miscellaneous Applications
Clean
A.) Clean all metal and infill surfaces that will come in contact with the structural
silicone sealant with the proper cleaner.
B.) Apply silicone primer as recommended by the silicone manufacturer.
Setting Blocks
A.) Position and install the setting blocks per the “APPROVED” shop drawings.
Position Glazing Infill
A.) Set the glazing infill into the framing opening tight against the interior gasket,
and position squarely onto the setting blocks.
Gaskets to Pressure Plates
A.) Apply the glazing gasket to the pressure plates.
B.) The gaskets applied to the vertical pressure plates are to be cut flush at both
ends, except in multi-story applications where gaskets are to extend 1” beyond
the end at expansion joints.
C.) The gaskets applied to horizontal pressure plates are cut ¼” long, both ends
maximum.
D.) Apply sealant to the face of the mullion plug prior to installing the vertical or
horizontal pressure plate.
Mull plug
Vertical Gasket
Preset gasket
Note: The vertical gasket runs through the joint
plug notch at the horizontal location. Seal
all corners of the gaskets with sealant.