As a company, they’ve kept up with advancements in glass technology with robotics-assembled vertical glazing, laser-cut radius and shapes, and dual-steal stainless steel full perimeter spacers with no corner keys.

No one comes close to

• A 20-year seal warranty
• Dual perimeter seal using silicone & compressed polyisobutylene (PIB)
• Stainless XL Edge Spacer with no solar pulsing or twist
• Hundreds and hundreds of muntin bar color and profile combination to choose from

Cardinal’s tempered glass

They pride themselves on having the most aesthetically pleasing, beautifully smooth tempered glass with the best LoE coatings on the marketing. They use the newest furnace technology to produce tempered glass with the fewest visible defects in the industry.

Pattern Glass & Colors

We carry a variety of patterned and colored glass styles to fit a wide range of architectural needs. Everything from Spandrel and back painted glass (increased lead time) to patterned glass and specialty glass, we have you covered.

Window Muntin Bars

With hundreds of muntin bar color and profile combinations to choose from, OSG offers the largest selections in the region. We’ll help you find a match for your customer’s muntin bars. Cardinal’s muntin bar assembly line is automated, ensuring a straight setup and no contact with the glass surface each time.