LoĒ-i89 Advantages Are Clearer than Ever​

  • LoĒ-i89 reduces the risk of condensation around the perimeter when combined with a warm edge spacer like EndurTM.
  • By reflecting heat back into the room, LoĒ-i89 makes your living space feel warmer and more comfortable.
  • It has been extensively tested and enjoys the same scratch resistance as regular annealed glass.

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.