Tom from SWISCO responded:
February 5, 2014
I'm not sure! You will have to remove the sash and place it on a scale to determine its weight. Then, you can compare that weight to the option strengths we have listed under the S390-32.
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Tom from SWISCO responded:
February 6, 2014
Yes, I think that would be a good idea! Two balances with the 3265 stamp option can carry a window sash weight range of 35 through 39 pounds.
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