CORTEX Plug System for Timbertech Composite Decking


Color/Finish: Select a color

Our strongest hidden fastener system provides a clean look, using a high quality, ACQ approved, specialty deck screw with a TORX® ttap® drive system. The best hidden fastener for stairs and perimeter boards.

  • Blends Beautifully In
    Fastener remains hidden because the included plug is made from TimberTech decking and color-matched to all TimberTech Composite collections.
    *Excludes scalloped Terrain™ and Prime Collection boards
  • Strong and Specialized
    Deck screw is high quality, ACQ approved, and has a Torx®ttap® drive system.
  • Compatible
    Unlike other hidden fasteners, Cortex fasteners can be used on the entire deck surface, including stairs and perimeters.*Cortex not compatible with scalloped Terrain™, Prime+, and Prime Collection boards