On every new window there’s a label with an inscrutable bunch of numbers. Why is that label there? And what do those numbers mean? You’ll find the frame type, along with any coatings on the glass ...
Wind resistance measures each window's ability to prevent drafts with 25 and 50 mph winds and an outdoor temperatures of 0ºF. Wind resistance measures each window"s ability to keep out drafts with 25 ...
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