Join the Endur IG Evolution

Endurance is just as important as performance. We are happy to announce that the future of insulating glass is here. With its unparalleled longevity and outstanding thermal performance, Endur IG stands in a class of its own. Read more >>

-New- Energy Calculator Application


More About Cardinal

Since 1962, Cardinal's mission has been to provide the highest quality glass products for residential windows throughout the world.

Today we’re the largest fabricator of sealed insulating glass units and supply over half the low-emissivity coatings used in North America. We now distribute our energy efficient and durable glass products worldwide.