This is a simple fix for a very common window problem. If you're window doesn't close all the way or you need a prop rod to keep the window from falling down then there is a good chance that this is your fix. And it's very easy to do.

Works on Andersen, Pella, Jeld-Wen, Marvin and most other brands that use a balance system that includes shoes. It will not work for much older windows that didn't use these type of block and tackle or constant force balances.

Message me or comment with questions and I will try my best to help.

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