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Interlock Shingle Roofing Specification Manual

©2009 Interlock Roofing Ltd. 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.