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 ...

More about JELD-WEN JELD-WEN Holding, Inc. is a leading global designer, manufacturer, and distributor of high-performance interior and exterior doors, windows, and related building products.