Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F. The JELD-WEN V-4500 Series is part of the Replacement Windows test ...

CR's wind- and rain-resistance tests reveal winners from American Craftsman, Andersen, Jeld-Wen ... of your existing window frames and your taste. An insert or “pocket” replacement window ...