BWT Series - Installing Support Brackets

INSTALL SUPPORT BRACKET: 

A. Place the frame lock between the frame extensions and the window sill as shown (Fig. 7A for Wooden windows), (Fig. 7B for Vinyl-Clad windows). Drive 3/4” (19 mm) or 1/2” (12.7 mm) locking screws through the frame lock and into the sill. NOTE: To prevent the window sill from splitting, drill 1/8” (3 mm) pilot holes before driving screws.

  

B1: For wooden windows: Drive 1/2” (12.7 mm) locking screws through the frame lock and into the sill (Fig. 8A). NOTE: To prevent window sill from splitting, drill 1/8” (3mm) pilot holes before driving screws. Drive 1/2” (12.7mm) locking screws through frame holes into the window sash (Fig. 8B/8C).

  

B2: For Vinyl-Clad windows: Drive 1/2” (12.7 mm) locking screws through the frame lock and into the window sash (Fig. 8B).

NOTE: 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. 8B/8C).

   

C. To secure the lower sash in place, attach the right-angle sash lock with a 3/4” (19 mm) or 1/2” (12.7 mm) 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)