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Installation Instructions
Window Requirements
NOTE: All supporting parts should be secured to firm wood, masonry, or metal.
1. This unit is designed for installation in standard double hung windows with actual opening widths of
22" to 36". The upper and lower sash must open sufficiently to allow a clear vertical opening of 14"
from the bottom of the sash to the window sill.
2.If storm window presents interference, fasten a 2" wide wood strip (OUTER SILL) to the inner
window sill across the full width of the sill. The wood strip should be thick enough to raise the height
of the window sill so that the unit can be installed without interference by the storm window frame.
See Fig. 5-2. Top of wood strip should be approximately 3/4" higher than the storm window frame
(STORM WINDOW FRAME) or wood strip (OUTDOORS) to help condensation to drain properly to
the outside.
3. Install a second wood strip (approximately 6" long by 11/2" w ide and same thickness as first strip) in
the center of the outer sill flush against the back off the inner sill. This will raise the L bracket as
shown Fig. 5-2.
4. If the distance between STORM WINDOW FRAME and WOOD STRIP MOUNTED ON TOP OF
INNER SILL is more than 1", two of wood strip are not necessary.
INNER
WOOD STRIP MOUNTED
1" MAX.
SILL
ON TOP OF INNER SILL
L_
INNER
/
SILL
J
WOOD STRIP
FOR L BRACKET
O_U ER
ILL
TDOORS
Fig. 5-1
3/4"
CLEARANCE '
STORM
WINDOW
FRAME
OUTER
SILL
IN DOORSq
INDOORS
OUTDOORS
Fig. 5-2
Installation
HARDWARE 1
TYPEA: 1lEA
(SHORTSCREW)
fm
TYPEB:5EA
TYPEC: 3EA
(WOOD SCREW)
(L BRACKET)
TYPED: lEA
TYPEE: lEA
TYPEF: 2EA
TYPEG: lEA
(SEAL STRIP)
(SASH SEAL)
(GUIDE PANEL)
(SUPPORT
BRACKET)
(Adhesivebacked)
(Notadhesive backed)
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