Paul from SWISCO responded:
March 28, 2012
Thank you for posting. Before we can offer an applicable replacement balance, can you first give me the weight of your sash?
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Paul from SWISCO responded:
March 29, 2012
For a S770-28, the stamp option of 28F will carry a sash weight range of 32 through 36 lbs. Do you think this may work better for you?
Please keep in mind that this information is based on 2 balances per sash. Balances are designed assuming friction in the jamb weather-strip will carry a portion of the sash weight. Suggested sash weights are approximate. |