Measuring For Pocket Replacement Windows

Measuring to determine the correct height for the replacement window is similar to measuring the width.

Measuring for pocket replacement windows.

Down the left side right side and the middle. Measure the window s width in three places top middle and bottom of the window. Standard window sizes vary but you can be sure that replacements you order will have 90 degree corners. To check your windows are in square alignment.

Again you ll need to take three measurements each extending from the top horizontal board. Use the smallest of the measurements to determine the width that surrounds the window. One at the left side one at the center and one at the right side of the window. If the pocket is outside of this range modification to the pocket may be needed and you should call an expert.

Measuring for replacement windows begins with determining that the corners of the existing window frame are square. Record the shortest measurement this ensures that the new window will fit. Follow the manufacturer size recommendations 2. With helper set window into opening to check fit then remove it.

This measurement should be between 3 5 inches and 5 5 inches. Replacement windows are sold in a standard thickness to fit inside the 3 1 4 in. Pocket that exists between the outside and inside stops after the parting bead is removed. Measure the windows jamb depth.

Use the smallest of these three height measurements to order the window. We ll show you how to measure your existing windows to find the size you need. This is the pocket the sill will fit into. New pocket replacement window should be about 3 16 to inch shorter than smallest measurement in opening.