window sash balance for a 100 lb window

Contractor from Paterson New Jersey
I am looking for a heavy duty sash balance or assist device for a 
new window that I am building. I will have one sash that I want to lower and raise kind of like a hidden window when in lowered position.
 
Thank you
2 Replies
Casey
Casey from SWISCO
SWISCO
Expert

Hello,

We do carry a selection of window balances but, unfortunately, we would not be able to advise on which would work best for your custom project since we specialise in recommending replacement parts based on the original hardware. I'm sorry we won't be able to offer more guidance but you're welcome to look through our selection here. Thanks for posting. 

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