What can be used to prevent the windows from sliding down

new-homewindows

I have wooden windows in my home, they came with a pulley mechanism to hold them up once they are opened. However, some of the pulley's cord popped, so now when I lift the lower window open and let go it falls back shut.

Are there any thing I can buy to keep the windows open without me having to wedge them ? I was thinking maybe they sell the Pulleys independently ?

Thanks in advance.

Picture of window style:

enter image description here

Best Answer

There are lots of options, repairing/replacing back to original specifications is the best option. Utilize the internet to understand how to remove the sashes and access the counterweight or spring balance parts.There are a lot of videos and depictions of how the molding is typically attached/removed, and the parting bead.

For a quick concealed fix, at low cost and available at any good hardware store, you could use a retrofit sash spring to hold up the lower sash:

enter image description here