SWISCO - The Replacement Hardware Authority

Screechy aluminum frame single hung windows

A home owner from Queens, NY says:
My windows screech when I open them. They were installed around 1980. I know they have block and tackle counter balances. I think the manufacturer's name was
Goldseal. Should I try to lubricate them before replacing the CBs? If so what should I use to lubricate them? Thanks for your time.
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Tom from SWISCO responded:
You can try lubricating them, sure. It can't hurt, and it may give them a little more life. Try silicone spray and see if that does it.
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