Description
Secure glazing components with the Kawneer Tri-Fab Backing Spline – 7/16” Width Storefront Glazing Spline, designed for reliable performance in commercial storefront and curtain wall systems. This backing spline helps hold glazing materials firmly in place, contributing to proper glass retention and overall system stability.
Manufactured from durable rubber, this spline provides flexibility and long-lasting resilience under varying weather conditions. Finished in black, it blends seamlessly with storefront framing systems for a clean, professional appearance. Precision-sized with a 0.458″ (7/16″) width and 0.360″ (23/64″) height, it ensures accurate fit and dependable performance in compatible Kawneer Tri-Fab systems.
Identified as Kawneer part #517156, this glazing spline is engineered for proper compatibility and reliable installation. Sold by the foot, it allows for custom-length applications, making it ideal for new construction, repairs, or retrofit projects in commercial glazing environments.
Note: This product is non-refundable due to custom cut-to-size.





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