Sash Window Measurements

Measure the width of the outside opening in three places.

Sash window measurements.

You ve discovered the weight of your window sash. The sill is not the horizontal trim board that extends from the wall. Measure the width by placing your tape measure from wood surface to wood surface on each side of the window. Any combination of the following heights and widths.

Measure the depth of the existing sash box. Use the tape measure to measure from the sill to the top of the window opening. Tips for measuring windows measuring only to the sash stops and the interior trim of the windowsill will result in the new window being too small the sash stops are the small square wood pieces at the top and sides of the window that keep the venting sash securely in place take all measurements from inside the home. Record the measurements with the pencil and paper.

Just remove the bottom sash and place it on a bathroom scale or hop on the scale while holding the sash and subtract your weight. You will want to measure the top middle and bottom to ensure they are the same width apart. Measuring from the outside to the inside see picture above. Measure the height of the outside opening in three places.

Remove any jamb liners temporarily to avoid any pulleys weather strips or stops in the window frame. At the bottom middle and top of the opening the. Measuring the height of the window. 543mm 645mm 746mm 800mm 850mm 900mm 950mm 1050mm 1150mm.

With the weight of your sash review the weight ranges associated with each stamp option 3. Make three vertical measurements on the left side of the window from the sill to the header then.