Can anyone estimate the STC of old wood casement single-pane windows?
Thanks.
STC of old windows
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Re: STC of old windows
a storm window will make a big difference on that
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Re: STC of old windows
Depending on the thickness of the glass...might even be a shade lower than the 18. That said, it isn't good.
Re: STC of old windows
Thank you! I appreciate your responses.
Re: STC of old windows
The numbers would be even lower if the glazing or weatherstripping is not 100%