The Metal Roofing Alliance was formed in 1998 by a group of metal roofing manufacturers with the main goal of educating consumers about the benefits of metal roofing. Members include metal roofing suppliers, contractors and distributors, paint corporations, trade magazines, and other construction related corporations.

Copyright © 2011 Interlock Industries, Inc. All rights reserved. Interlock and Alunar logos are Registered Trademarks of I.E.L. Manufacturing Ltd. TEFLON® is a registered Trademark of E.I. du Pont de Nemours and Company used under license. The ENERGY STAR name and the ENERGY STAR symbol are registered trademarks of the United States Environmental Protection Agency and are used with permission. When installed properly, this product will help reduce energy costs. Actual savings will vary based on geographic location and individual building characteristics. Consult your product manufacturer, roofing contractor, or call 1-888-STAR-YES (1-888-782-7937) for more information.


