To determine window sash weight place any ordinary household or bathroom scale on the sill and lower the sash until its full weight is recorded.
Sash window weights replacement.
Sash weights create the proper counterbalance for each window sash allowing for smooth operating double hung windows.
Old sash windows are counterweighted to help them slide more easily.
Pullman replacement window balancer is available for window sash weights between 4 and 13 pounds.
Lead weights can easily be cut to size and have a hole running through the middle of the entire weight.
14 pull out the retractable steel tape from the counter balance and attach it to the hook on the sash.
Tap the blade of a putty knife with a hammer under the window stop to gently pry it away from the sash.
13 screw a spring loaded counter balance to each side jamb.
A rope extends from the top of the lower sash and if the upper sash isn t fixed in place from the top of that one too.
Pull one side of the window out to expose.
X ray view of spring counterbalance.
Pull up the sash cord to gain some slack until it is stopped by the weight.
How to replace sash weights in double hung windows 1.
11 remove the old sash weighs from inside the wall and insulate the wall void.
Steel sash weights are a cheaper alternative to lead however sometimes lead needs to be used when there is not enough room in your box.
For heavier window sashes use pullman standard balances.