Cardinal Glass Comparisons – Courtest of Cardinal I Thrush & Son® I Your Hometown Contractor

With over 500,000,000 IG units under warranty Cardinal Glass has proven not only to be a leader within the window industry but they also know a thing or two about building long lasting IG units.

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.

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