New Product: Unprecedented Solar Control

Cardinal is pleased to present the highest performance solar control glass under the sun, the new LoĒ³-340 glass. Its advanced design to block heat gain also provides a very low U-Factor, resulting in energy savings in cold weather and the best comfort for all seasons. The clear choice for optimum solar control, Cardinal’s LoĒ³-340. Read more >>

A New Guide to Great Glass

Newly Updated – January 2015


Energy Calculator App

Updated for smartphone compatibility


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.