EFCO 526 Series - Manual (Page 20)

EFCO 6/2012 Page 20
Series 526 Impact Installation Instructions
SECTION IV: Frame Assembly
D. Horizontal Thru Shear Block Assembly
Inside Glazed and Outside Glazed
Apply butyl type sealant to both ends of the vertical prior to assembling the module.
After module is assembled, clean off all excess butyl sealant.
Shear block packages come with shear blocks and fasteners.
Butyl Sealant at Both
Ends of Vertical.
Note:
Wax type lubricant may be
required @ assembly
Fasteners.
KP03 vertical shear block
package used at top of
horizontal or sill.
KP04 vertical shear block
package used at bottom of
head or horizontal.
Prior to applying sealant to the required areas, clean the area with Isopropyl Alcohol and a clean towel
that will not leave towel materials behind. Wipe off material with a sufficiently dampened towel to remove
all dust, oil, and cutting fluids from the required areas. Allow to air dry before applying any sealant.