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Jasmine from SWISCO responded:
November 27, 2023
Hey there, Thanks for writing in! Your weather stripping looks very similar to our 58-180, but this is a stick-on foam seal. Take a look over the dimensions and design to determine if this might be a fit. This is the closest match we have to your existing weather strip. 
Profile view of 58-180
The issue with the windows not staying open is likely because the spiral balances need to be replaced. To identify the correct replacements for your existing balances, you'll need to remove them from the sash and confirm a few measurements. Take a look at the video below for an idea on how to remove them. Please also be aware, if you are looking to replace the pivot shoe or the pivot bar, I'll need to see photos of those as well. The shoe is what helps to guide the internal spring in the spiral balance tube in the window channel. The pivot bar is attached to the bottom of the shoe and attaches to the pivot shoe. This bar connects the sash to the pivot shoe. I've attached a few more videos to this thread that explains the information needed to identify the balances, how to remove the pivot shoe from the window, and how to remove the pivot bar. Please feel free to reach out with any other questions you may have. |
