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"
3D
3D
3D
Double-Hung Sill
Double-Hung Head
Drill 1/8"
clearance hole
Drill 1/8"
clearance hole
Double-Hung Jamb
Drill 1/8"
clearance hole
3D
3D
Designer Series®
and ProLine®
Architect Series®
Double-Hung
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
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
2A
2B
2B
2B
2
WINDOW PREPARATION
2B
2B
