My double panes have instead of putty to seal..a plastic piece to imitate putty. After 30+ years these plastic pieces are brittle , full of cracks and in short need replacing.

Can you buy just those plastic pieces and replace or do I have to get Window people involved?

Is it called glazing bead?



Edited 1 time(s). Last edit at 01/14/2020 02:44PM by samintx.

Are they name brand windows?

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To echo Mattkime - If they are name brand - Andersen, Marvin, Pella, for example, spare parts are available, although may e expensive.

If they are generic vinyl windows, and the double pane window inserts are still intact (not leaking), you can remove the old caulking and replace with new 100% silicone caulking.

They are name brand but can’t check right now. Also I started doing regular putty but that is Hugh work for me on the whole house.

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samintx
They are name brand but can’t check right now. Also I started doing regular putty but that is Hugh work for me on the whole house.

I'm not sure using regular putty is a good idea as the double panes may expand or contract with changes in temperature which would pop regular putty right off the frames.

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It would help to know the brand and have a few pictures showing of how the window was made. If it is a brand that still has a presence in your area, they might be willing to come out and fix it for cheaper than a generic window installer.

If the double pane section is still sealed, it could be all you need is a bead of silicone caulk run around the outside of the window.

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