Replacing 
Steel Windows
Vinyl Windows used as Replacement
Windows were designed to fit into old
wood double hung frames with both
sash removed.  However, due to consistencies in 
wall thickness of most buildings, other window 
types (casement, sliders, and other metal windows)
can be removed and the opening prepared to receive
replacement windows designed to be installed against
an exterior “stop.”  It is important to measure 
accurately and order exact sizes to maximize fit and
minimize trim work.  As you read the following guide-
lines you can better judge how to specify windows for
a particular installation and how to more accurately
estimate labor.
Replacing A Steel Window
Note:  These drawings are typical installations.
Though not to exact scale, they are representative 
of most situations and are meant as a guide only.
Steel windows were usually installed with screws 
into the frame around the opening under the sash 
of operating units or outside the glass of fixed units.
Usually covered with putty, most can be located with
a little work.
Fixed Panel
Operating
Panels
Screw
Screw
Window Fitters Guide to Window Installation 
66                ©2022 AWDI, LLC Do not reproduce without permission
SAMPLE MANUAL

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