FastenMaster Cortex for Trex Transcend Decking 50 lin. ft. - Island Mist (75 Pack)

The Cortex Hidden Fastening System is the fastest, easiest way to hide fasteners in composite, capstock and PVC decking boards. Cortex offers a strong connection between the deck board and joist. It hides fasteners across the entire deck, first and last board, perimeter and stairs.