BOSS Bonded Structural Splice

Rule your rail.

The BOSS (Bonded Structural Splice) provides a strong, bonded connection for XR Rails.

No assembly, tools, or hardware required. The built-in bonding spring has teeth that bite into rail, creating a connection that meets all UL standards.

The BOSS eliminates restrictions around splice locations. Place it anywhere along the span (except the outside cantilever).

Available now, so you can continue to conquer your solar projects!

• BOSS Splice Tech Brief | Download
• XR10 BOSS Cut Sheet | Download
• XR100 BOSS Cut Sheet | Download
• XR1000 BOSS Cut Sheet | Download

Installs Anywhere

• Place into XR Rails anywhere, except the outside cantilever.

Tool Free

• Single piece, with no assembly, tools, or hardware required.

Meets UL Standards

• Integrated bonding is fully code-compliant with UL 2703+

Matches Rail Sizes

• Splices available in all sizes - XR10, XR100, and XR1000.

Self-Centering Tab

• Stop-tab provides tactile feedback for proper installation.

Easy Expansions

• Leave a 1" gap for expansion joints. No bonding straps.

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