b'Replacing Steel WindowsVinyl Windows used as ReplacementWindows were designed to fit into oldwood double hung frames with bothsash removed.However, due to consistencies in wallthickness of most buildings, other window types(casement, sliders, and other metal windows) can beremoved and the opening prepared to receive replace-ment windows designed to be installed against anexterior stop.It is important to measure accuratelyand order exact sizes to maximize fit and minimizetrim work.As you read the following guidelines youcan better judge how to specify windows for a partic-ular installation and how to more accurately estimatelabor.Replacing A Steel WindowNote:These drawings are typical installations.Though not to exact scale, they are representative ofmost situations and are meant as a guide only.Steel windows were usually installed with screws intothe frame around the opening under the sash ofoperating units or outside the glass of fixed units.Usually covered with putty, most can be located witha little work.Operating Fixed Panel ScrewScrew PanelsWindow Fitters Guide to Window Installation662020 AWDI, LLC Do not reproduce without permission'