EFCO 403X Series - Manual (Page 18)

Series 403X Storefront Installation Instructions
EFCO 2013 Page 18
Section 3F. Unit Assembly - Shear Block
Assembly Steps:
 Butter the ends of all horizontals and fill vertical glazing vinyl pockets with butyl type sealant as represented by the
shaded areas in Fig. #16.
 Wax type lubricant may be required at assembly fasteners and dead load pins.
 Attach all shear block to verticals with fasteners provided.
 Insert 2” dead load pins into jambs and expansion mullions and 3” dead load pins in all other vertical members as
indicated.
 Screw complete system together putting screw through horizontals into shear blocks.
 Clean off all excess butyl sealant after assembled.
Fig. #16
Note:
Inside Glazed Assembly shown, Outside Glazed, expansion
mullion, and 4 1/2” horizontal assembly systems similar.
Sealant
Exterior Face
Dead Load Pin
Dead Load Pins
Shear Blocks
Note:
All shear block packages come with
required fasteners.