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window 
frame
Fig. 5
Fig. 6
Fig.6
Fig. 7
NOTE
To prevent window sill from splitting, drill 1/8” (3mm) 
pilot holes before driving screws.
Fig. 8
 
Fig. 8
Fig. 9
Fig. 9
FOAM SEAL
Fig. 10
5.  INSTALL SUPPORT BRACKET
A. Place the frame lock between the frame extensions 
and the window sill as shown (Fig. 7).
  Drive 3/4” (19mm) or 1/2” (12.7mm) locking screws 
through the frame lock and into the sill.
B. Drive 3/4” (19mm) or 1/2” (12.7mm) locking screws 
through frame holes into window sash (Fig. 8).
C. To secure lower sash in place, attach right angle sash 
lock with 3/4” (19mm) or 1/2” (12.7mm) screw as 
shown (Fig. 9).
D. Cut Window sash seal foam and insert it in the space 
between the upper and lower sashes (Fig. 10).
B. Extend the side panels out against the window 
frame (Fig. 6).
Installation
Instructions