XL Edge Glass

Lost profits are unappealing to any window manufacturer, especially when due to warranty replacements caused by IG seal failure. Based on extensive research and experience, Cardinal estimates that the real cost for every glass unit a window company replaces is approximately $200.
This includes hard and soft costs for replacement windows, service calls, factory overhead, business disruption, and a damaged customer faith. At $200 per unit, how much could you and your channel partners be losing in the long run?

Industry's Lowest Failure Rate

XL Edge insulating glass comes with the lowest failure rate in the industry – developed in part from Cardinal’s 50 years of experience in manufacturing IG units, with nearly 40 years utilizing a dual-seal silicone system.

We’ll back you up: XL Edge IG comes with a 20-year, 150% credit warranty. It’s like an insurance policy for your window business. No other IG manufacturer will offer such a guarantee.


Don’t let IG failures bite you in the bottom line.

We provide a 20-year guarantee on XL Edge units because of our advanced design and fabrication. XL Edge is at the leading edge, incorporating a stainless steel spacer with airtight bent corners and a dual-seal construction of compressed polyisobutylene (PIB) and silicone. Desiccants are contained in the spacer to eliminate any potential for moisture. Argon is filled inside the IG unit, improving window U-factor. Since XL Edge is a warm-edge IG, the possibility of indoor condensation is greatly reduced.
Cardinal’s superior IG construction translates into a 0.2% seal failure rate over twenty years – plainly the lowest in the industry. To compare, the well-established 1976 Sealed Insulating Glass Manufacturing Association (SIGMA) study identifies average industry IG failures of over 9% in fifteen years. Modern competitive spacer systems simply cannot match the long-term durability characteristics of XL Edge IG. Even older Cardinal technologies, like IG with aluminum spacers and polysulfide or PIB, didn’t stack up against XL Edge.

Its insulating capability improves the window U-factor by as much as 0.03 compared to an identical configuration using an aluminum spacer. Whether you use ordinary clear glass or advanced glazing products like LoĒ³, XL Edge IG provides better thermal performance. These benefits make a difference in compliance with local energy codes. If your marketing plan includes the Energy Star Windows program, XL Edge can be effective in getting more of your glazing options and window configurations qualified to use this designation.

The warm-edge characteristics of XL Edge IG reduce the frequency and amount of condensation during the most extreme temperature conditions. For a typical wood/vinyl window design, it would have to be 12°F colder outside before condensation forms on a unit with XL Edge in comparison with aluminum.

Reduce your costs – increase peace of mind.

Compare your IG seal failure rate with the 0.2% failure rate of XL Edge IG. Then contact your nearest Cardinal IG facility to learn more about XL Edge and our 20-year commitment to the integrity of your window business.
These graphs estimate the cumulative percentage of your profit margin from window sales that can be lost to service costs. Over time, conventional IG units are increasingly prone to failure. The longer the warranty period, the more your profits may be eroded by service costs.

XL Edge Facts

  • Cardinal fabricates over 20 million IG units annually, with ten IG facilities in the U.S. to accommodate any level of demand, always on time.
  • LoĒ³ coatings, tempering, lamination, internal grilles and bars, and custom shapes and sizes are all available as options.
  • Cardinal IG Company offers electronic document processing and logistics services for the demands of today's marketplace.

More info:

Additional Resources for This Product

7:28 Insulating Glass Technology Tour