Shear block fabrication, Step 3), Step 4) – EFCO 403 Series Storefront User Manual
Page 37: Step 1), Step 2)
EFCO CORPORATION 1/2013 PART NO. Y001
Page 37 of 94
Series 401,402, & 403 Installation Instructions
If the opening has an entrance, see the appropriate frame and
NOTE: Door jambs run to the floor and are cut longer than other
Drill holes for shear block screws on vertical members.
See pages 9, 17, and 27 of the parts identification section.
Cut horizontal glass stops to day lite openings minus 1/32".
door fabrication installation sheets.
verticals.
NOTE: Drill jigs are available.
(D.L.O. - 1/32")
Cut horizontal members to day lite openings.
(Between vertical mullions)
STEP 3)
STEP 4)
Shear block joinery will be used at any immediate door frame.
Measure the opening to determine the cut length of the
NOTE: Allow minimum 1/2" shim and caulk space around perimeter.
NOTE: Allow extra clearances, if necessary, to accommodate building
frame components.
tolerances and building movement.
STEP 1)
NOTE: Consult A.D.A. requirements to verify compliance.
Cut verticals to frame size.
STEP 2)
NOTE: Verticals must run through.
assembled unit in the opening on top of any sill flashing that is used.
The shear block system is a fabrication and erection method that
permits the preassembly of single units in the shop or at the job site.
These units are joined with shear blocks and installed as an
SECTION III: B. SHEAR BLOCK FABRICATION