The Atrium 8700 Series is part of the Replacement Window test program at Consumer Reports. In our lab tests, Replacement Window models like the 8700 Series are rated on multiple criteria, such as those listed below.
Wind resistance 0 degrees: Wind resistance measures each window's ability to prevent drafts with 25 and 50 mph winds and an outdoor temperatures of 0ºF.
Wind resistance 70 degrees: Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F.
Rain resistance: Rain resistance measures their ability to keep water out from heavy, wind-driven rain.
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