Measure the depth of the existing sash box.
Sash window measurements.
Record the measurements with the pencil and paper.
Use the tape measure to measure from the sill to the top of the window opening.
With the weight of your sash review the weight ranges associated with each stamp option 3.
Measuring from the outside to the inside see picture above.
Wood sliding sash standard sizes.
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.
Measure the width by placing your tape measure from wood surface to wood surface on each side of the window.
838mm 940mm 1040mm 1143mm 1245mm 1346mm 448mm 1550mm 1650mm 1753mm 1854mm 1956mm 2057mm.
Measure the height of the outside opening in three places.
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.
You will want to measure the top middle and bottom to ensure they are the same width apart.
You ve discovered the weight of your window sash.
Remove any jamb liners temporarily to avoid any pulleys weather strips or stops in the window frame.
Measuring the height of the window.
Make three vertical measurements on the left side of the window from the sill to the header then.
Measure the width of the outside opening in three places.
Any combination of the following heights and widths.
543mm 645mm 746mm 800mm 850mm 900mm 950mm 1050mm 1150mm.