6. Drive Locking Screws
7. Secure Lower Sash
A: For wooden windows:
Drive 1/2” (12.7 mm) locking screws through the
frame lock and into the window sash (Fig. 9B).
B: For Vinyl-Clad windows:
Drive 1/2” (12.7 mm) locking screws through the
frame lock and into the sill (Fig. 9A).
Before driving the screws, use a drill to drill 5 holes
through the holes in the frame lock and frame
extensions into the windows sash as shown ( Fig. 9B).
NOTE
To prevent window sill from splitting, drill 1/8” (3mm)
pilot holes before driving screws.
NOTE
Drive 1/2” (12.7 mm) locking screws through frame
holes into window sash (Fig. 9B).
Fig. 9A
Fig. 9B
FOAM SEAL
Foam
Seal
Fig. 10
Fig. 11
A. To secure lower sash in place, attach right angle sash
lock with 1/2”(12.7 mm) screw as shown (Fig. 10).
B. Cut foam window seal and insert it into the space
between the upper and lower sashes (Fig. 11).
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