Shear block fab, Fig. # 11, Caution – EFCO 403 Series Storefront User Manual
Page 41: Mounting hole height location at the sill, Outside glazed as shown

EFCO CORPORATION 1/2013 PART NO. Y001
Page 41 of 94
Series 401,402, & 403 Installation Instructions
3/8"
3/8"
1/4"
3/4"
3/4"
3/8"
3/4"
3/4"
1/4"
1"
3/4"
3 HOLES
(.147 DIA.)
3/8"
1/4"
3/
4
"
7/8"
7/16"
7/1
6
"
7/8"
7
/1
6
"
7/16"
7/16"
7
/8
"
7
/1
6
"
7
/16"
7/16"
CAUTION:
SYSTEM 401
1 3/4" X 4 1/2"
mounting hole height location at the sill.
SYSTEM 402 & 403
2" X 4 1/2"
Door jambs must run to the floor and are cut longer than other verticals.
Add sill flashing thickness and/or side lite sill blocking thickness to shear block
7/8"
2 3/4"
HEAD OUTSIDE GLAZED
SILL I
NS
IDE
GLAZED
2"
3/
4
"
2 3/4"
TOP OF
HEAD
7/8"
VERTICAL
MEMBER
2 3/4"
7/8"
TOP OF
HEAD
9145
HEAD OUTSIDE GLAZED
SILL INSIDE GLAZE
D
1 3
/4"
(2 PIECE)
INTERMEDIATE
HORIZONTAL
TOP OF
2 3/4"
TOP OF
(2 PIECE)
INTERMEDIATE
9245/9345
7/8"
7/8"
2"
2 3/4"
2"
2 3/4"
9347/9314
9247/9221
1
3/4"
TOP OF
TUBULAR
INTERMEDIATE
HORIZONTAL
HORIZONTAL
9147/9121
2 3/4"
TOP OF
TUBULAR
9128
HORIZONTAL
INTERMEDIATE
TOP OF
SILL
9247/9347
2 3/4"
TOP OF
9147
SILL
9236/9336
1 3/4"
2"
SILL OUTSIDE GLAZED
HEAD IN
SIDE GLAZ
ED
FIG. # 11
OUTSIDE GLAZED AS SHOWN
SILL OUTSIDE GLAZED
HEAD IN
SIDE
GLAZED
INVERT TEMPLATE FOR INSIDE GLAZED
USE BLOCKED OUT HOLE LOCATIONS FOR SHEAR BLOCK APPLICATIONS
1 3/4"
SECTION III: B. SHEAR BLOCK FABRICATION
TUBULAR
#26 DRILL
(.147 DIA.)
#26 DRILL
3 HOLES
(.147 DIA.)
#26 DRILL
3 HOLES
(.147 DIA.)
3 HOLES
#26 DRILL
(.147 DIA.)
3 HOLES
#26 DRILL
(.147 DIA.)
3 HOLES
#26 DRILL
(.147 DIA.)
3 HOLES
#26 DRILL
#26 DRILL
3 HOLES
(.147 DIA.)
#8681
#9202/#9322
TUBULAR
MEMBER
VERTICAL