3
WINDOW PREPARATION
A.
Casement:
On the room side of the window drill 1/8" diameter clearance holes through the head,
jambs and sill of the frame. Space the holes a maximum of 6" from each end and a
maximum of 16" on
center.
Note: On vent
casements, place the
holes so they do not
interfere with the roto
operator and the latch
points on the lock side
of the window.
Casement Sill
Drill 1/8"
clearance hole
3A
B.
Double-hung and Clad Frame:
On the room side of the window, drill 1/8" diameter clearance holes through the frame at
the locations shown. Space the holes a maximum of 6" from each end and a maximum of
16" on center.
Note: The lower sash must be raised to drill the holes in the sill of the double-hung
window.
Single
Window
6"
6"
6"
EVERY
16"
6"
6"
EVERY
16"
6"
16"
EVERY
Designer Series®
and ProLine®
Architect Series®
Double-Hung
Drill 1/8"
clearance hole
Double-Hung Jamb
1/4"
Double-Hung Head
Drill 1/8"
clearance hole
1/2"
Double-Hung Sill
Drill 1/8"
clearance hole
1/2"
Clad Frame Sill
Drill 1/8"
clearance hole
1"
Clad Frame Head
Drill 1/8"
clearance hole
1"
Double-Hung Sill
Double-Hung Head
Drill 1/8"
clearance hole
Drill 1/8"
clearance hole
Double-Hung Jamb
Drill 1/8"
clearance hole
