K2 Splice Foot XL Kit Mill #14 4000300

The K2 Systems Splice Foot XL #14 Kit (Part #4000300) is a roof attachment accessory designed for use in solar panel mounting systems. It combines a mounting foot and splice connector into one component, featuring K2’s EverSeal waterproofing technology to help protect roof penetrations. Made from durable aluminum with stainless steel hardware, the XL design supports and connects CrossRail mounting rails (such as 44-X, 48-X/XL, and 80 profiles) on a variety of roof types including composition shingle, EPDM, TPO, bitumen, and asphalt. The kit includes self-tapping #14 × 3″ screws and a T-bolt plus hex nut set for secure attachment and splice functionality, and is UL 2703 compliant for structural and bonding reliability.