Legal
Trademark & Brand Usage Policy
July 2, 2026 · October 13, 2026
TL;DR
Interlock®, Interlock Lifetime Limited Roofing Systems®, Alunar®, Never Re-Roof Again.®, the Interlock Arrow Sign®, Best Roof®, and related names and logos are registered trademarks of I.E.L. Manufacturing Ltd., used under license. This policy explains permitted and prohibited uses. Authorized dealers and partners must follow our brand guidelines; unauthorized use is prohibited.