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TimberTech® Cortex® Screw & Plugs

In stock
Only %1 left

TimberTech® is focused on fasteners. Opt for the best fastening systems to install your deck. These high-quality fasteners give decks added strength and integrity for years to come. Square-shoulder boards allow for top-down fastening, while grooved boards are designed for hidden clip fasteners. TimberTech® Cortex® Screw and Plug is a hidden fastener system featuring a high quality, ACQ-approved, specialty deck screw with a Torx® ttap® drive system. Included color-matched plugs are made from TimberTech® Compsite Reserve Collection deck boards to hide the fastener. It can be used on the entire deck surface, including stairs and perimeters, where other hidden fasteners cannot. Installation requires pre-drilling with a 7/32 in. drill bit.

This pack includes 224 screws, 300 plugs, and 2 bits.

As low as $13.99
  • Top-down fastener with color-matched plugs made from TimberTech® decking for the ultimate fastener-free surface
  • Strongest hidden fastener connection from TimberTech® that can be used on the entire deck surface, including stairs and perimeters
  • Stainless steel screws with color-matched plugs made from TimberTech® Dark Roast™ deck boards
  • 2-1/2 in. concealed deck screw with a #20 TORX® ttap® drive system
  • Uniquely designed for TimberTech® decking products for optimal performance
  • Protect your investment with a 25-Year Residential Warranty
More Information
TypeScrews w/Plugs
ColorAntique Leather™
Length2-1/2 in.
Drive TypeTorx
BrandTimbertech by Azek
Color FamilyNatural
Pack Size100 LFT/box
Manufacturer CodeCTX100RCAL

Tools Required: safety glasses, router with slot cutting blade, drill (Corded or cordless (18V battery) drill with 1/2 in. chuck- Impact Drivers are not recommended when using TimberTech® Cortex)

  •  Pre-drilling with a 3/16 in.drill bit is always required when installing Cortex in TimberTech® decking.
  • The Cortex Setting Tool must be used to set the Cortex screw to the proper depth.
  • The Cortex fastener must be driven perpendicular to the deck surface for proper fit and ideal finished look.
  • The cored hole must be free of debris or moisture. Use a smooth hammer head to set the Cortex plug.
  • The interaction between the deck board, screw, and plug is essential. Use of non-Cortex Screws or non-Cortex plugs will nullify the warranty. End and Edge Distance Minimums
  • Pre-drilling is required for installation into TimberTech® decking or mushrooming and splitting will occur.
  • Pre-drilling should be done with a 3/16 in.drill bit to create the proper pilot hole.
  • No fasteners should be installed closer than 3/4 in. from the end or edge of the board. Restricted Cortex Uses The TimberTech® Cortex System is designed for traditional elevated deck surfaces.

The following applications require a different fastening method:

  • Sleeper systems: Framing rests directly on the ground or roof deck.
  • For attaching fascia and riser boards: TimberTech® TOPLoc Fascia Fasteners should be used.
  • Docks or decks with framing members in constant contact with saltwater.
  • Deck materials with a scalloped bottom such as, but not limited to PRO Terrain, EDGE Prime, EDGE Prime+, and Reliaboard.
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