Available in the clear and white internal grid options, the insulating value of Cardinal’s patented coating is nearly double that of an ordinary insulated glass unit. In winter, reflects heat back into the room. In summer, it rejects the sun’s heat and damaging UV rays. The coating is virtually invisible to the eye yet blocks 84% of the sun’s harmful ultraviolet rays. In fact, is the clearest, highest performing glass you can buy. Some items are special order. For a complete list of sizes, glass and grid options available in your area, contact your dealer for more information.

Glass Options