Designed exclusively for AZEK planks; Cortex provides a discrete, hidden fastening solution for perimeter boards and stairs. Cortex plugs are fabricated from OEM brand deck boards, ensuring a perfect match every time. Available in 350pc carton, covering 100 sq feet.
The FastenMaster Cortex Fastening System is the fastest, easiest way to conceal the heads of your deck screws on market leading deck board types. Cortex offers a strong connection between the deck board and the joist and can conceal fasteners across the entire deck: first and last board, perimeter, and stairs. Set the screw. Set the plug. You're all set!