Window repair

Hello,

I'm not sure why you don't have the S371-34 series balance in your windows but the balance you show in your photos appears to be our S380-34 with a spring strength option fo 3340. The top does look like the 18-124P sash guide by Rollyson, but you'll need to confirm that the style and dimensions match what's shown on our website since we can only see the top.

You could have the S380 balances, but check another Rollyson window in your house to be sure. Sometimes people try to repair windows with whatever balances they have on hand, which can cause problems as you can imagine. If the rest of your windows are using the same balances, go with the S380. Thank you!

I'm afraid that we don't have that piece of nylon shim. You can take one off and go to your local hardware store and see what they have that you can cut and make a shim. It can be nylon or aluminum. You just want to match thickness.