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Composite Window Frames

Window frames that resist warping and fading

This Old House: Building a Better Window
This article describes the benefits of PVC lumber, combining the best of both wood and vinyl.
Web Site

National Fenestration Rating Council
P.O. Box 7031
Silver Spring MD 20907
(301) 589-1776
Web Site

Window and Door Manufacturers Association
410 N. Michigan Avenue
Chicago IL 60611
(800) 223-2301
Web Site

Disclaimer: The information on the system, product or material presented herein is provided for informational purposes only. The technical descriptions, details, requirements, and limitations expressed do not constitute an endorsement, approval, or acceptance of the subject matter by the NAHB Research Center. There are no warranties, either expressed or implied, regarding the accuracy or completeness of this information. Full reproduction, without modification, is permissible.