How do you measure for replacement aluminum windows?

Measuring Existing Aluminum Windows Measure that flange to the same flange on the other side of the window. This will give you the size of the clear opening you will have once you remove all the panels. Measure the widths at the top, middle, and bottom and use the narrowest measurement.Click to see full answer. Correspondingly, how does Home Depot measure for replacement windows?From inside the home, hold a tape measure in the top right corner where the horizontal and vertical window trim meet. Extend the tape measure diagonally to the lower left corner where the trim meets and record the measurement. Now make a measurement from the upper left corner to the lower right corner.Similarly, how do you measure for replacement casement windows? Measuring your casement windows for replacement Take all measurements from inside the house. Measure the width and height of the window by measuring past the sash stops and past the interior trim. Remember that you need to measure to the size of the hole you would be left with if you removed the window. Herein, how do you measure a rough opening for a replacement window? Measure the distance vertically across your frame from top to bottom on the left, middle, and right side of the window from head jamb to the window sill. Circle the smallest measurement of the three figures, this is your rough opening height.How do you replace an aluminum window frame? Put on some heavy, slash-proof gloves. Remove the window assembly from its wall frame. Remove the screws holding the window frame together. Remove the rubber gasket carefully, since you will reuse it. Insert the replacement pane of glass into the frame where the old broken pane had been sitting.