b'AccurateMeasurement is the Key to QualityInstallation.When you specify a replacement window, it is madeto fit the particular opening and it is important tocorrectly measure the opening. There are three primary critical measurements involved: Width,Height and Square. Outer Sash Parting StopBrickMouldBalancesBalancesHeightBalance The height of the window is takenWeights from the sill (from the point againstInnerthe stool) to the header (at the point 1 2 3Sash against the inside stop) as shown.Blind Stop Measure at the left, middle, and rightMuntins Parting Stop and use the smallest dimension.Interior StopSill Side JambStool CasingApron RailBASIC WINDOW ANATOMYWidthThis is the measurement that is 1given first when ordering a win- 2dow. Because the inside stopsand parting stops are removed, 3the width must be measuredfrom jamb to jamb as shown. Measure at the top,middle, and bottom and use the smallest dimension.Window Fitters Guide to Window Installation222020 AWDI, LLC Do not reproduce without permission'