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 ...

N.C., JELD-WEN Holding, Inc. is a leading global manufacturer of high-performance interior and exterior building products, offering one of the broadest selections of windows, interior and exterior ...