When selecting weights remember although they can allow for smooth operating windows oversize weights can impede sash movement and cause the window to malfunction.
Victorian sash window weights.
Replacement window sash weights cast iron square stackable sash weight 3 lb.
With window sash less than 12 lbs the weight variation from counter weights to window sash weight can be a half pound.
Vintage window weights antique architectural salvage cast iron 7 8 lb 18 19 inch.
Sash window weights worth much at local scrappy.
To facilitate operation the weight of the glazed panel is usually balanced by a heavy steel lead or cast iron sash weight or counter weight concealed within the window frame.
I replaced my victorian sash with upvc sash and have to say they ve been superb 15 years old now and still.
Upper window sash should be hung with two 8 lb.
This is to ensure that the upper sash stays up and the lower sash stays down.
Sash should be hung with two 7 lb.
And a lower 15 lb.
Sash weights create the proper counterbalance for each window sash allowing for smooth operating double hung windows.
For window sash weighing over 12 lbs the variation should be a pound difference.
That means a 15 lb.
We offer a range of window sash weights that can be installed alone or stacked including add on weights stackable iron weights stackable lead weights and stackable round weights.