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If you are looking for a specific product and do not see it listed on our website please call or email us your enquiry. It is possible that we can special order it in.
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Cortex Product List Decking, Fascia and Trim
Cortex Hidden Fasteners for DECKING
Cortex deck fasteners

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. And it just got better!

Cortex now comes with the following product enhancements:
  • TORX® ttap® Drive System: This system is almost impossible to strip-out. In addition, the stability button keeps the fastener straight through installation.
  • Modified Fastener: New thread design reduces installation torque and dramatically increases fastener strength. Length moves from 2 ½”.
  • Stronger Setting Tool: Optimized for extreme pro contractor use. Stronger bit material and industrial grade felt will enable you to install 350 fasteners on one Cortex Setting Tool.
Available Sizes Cortex 300sq pkg

Cortex is available in:

  • 100 linear foot package
  • 100 square foot package
  • 300 square foot package.

All screws, plugs, and setting tools are included in every box.

Available for Decking: Cortex screw installation image
Cortex Hidden Fasteners for TRIM
Cortex hidden system

The Cortex Hidden Fastening System for PVC Trim is the fastest, easiest way to hide trim fasteners in PVC Trim.

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. And it just got better!

Latest enhancements:
  • TORX® ttap® Drive System: This system is almost impossible to strip-out and the deck fastener is easily removed. The stability button keeps the fastener straight through installation.
  • Shorter & Faster Trim Screw: A new 2” fastener option delivers high levels of holding power but now offers versatility for applications such as deck fascia and exterior baseboards. The dual lead thread design spins the fastener 50% faster for quicker installs.
  • Stronger Setting Tool: Optimized for extreme pro contractor use. Stronger bit material and industrial grade felt will enable you to install 350 fasteners on one Cortex Setting Tool.
Available Sizes Cortex deck plug instal

Cortex Trim is available in two fastener lengths 2” and 2-3/4".

  • 50 linear foot box
  • 250 square foot box
  • 750 square foot box

All screws, plugs, and setting tools are included in every box.

Cortex screw installation image
Available for Trim:
Cortex Hidden Fasteners for TREX FASCIA
Cortex hidden Fascia system

The Cortex Fascia Hidden Fastening System is the strongest, easiest way to hide fasteners in Trex Fascia Boards.

Cortex for Fascia is engineered for fascia expansion/contraction and plugs are made from Trex fascia board making for a perfect color match.

TORX ttap® Drive System: This system is almost impossible to strip out. In addition, the stability button keeps the fastener straight through installation.

Cortex for Fascia is available in a 50 linear foot kit complete with 100 1 ¾” screws, 105 plugs, 1 counterbore tool and 1 setting tool.

Installation Guide (PDF) 

Available Sizes Cortex 300sq pkg

Cortex for Fascia is available in:

  • 50 linear foot package

Complete with 100 1 ¾” screws, 105 plugs, 1 counterbore tool and 1 setting tool.

Cortex screw installation image

Cortex Hidden Fastener for Trex Fascia

FastenMaster has developed a Cortex system that is specifically designed to allow for fascia board movement. The finished look is virtually invisible.


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Main Showroom/Head Office: 4745 8th Line, Beeton (New Tecumseth), ON L0G 1A0 416-881-3325 or 1-866-765-2935 sales@deckmasters.ca

Toronto East location showroom:  25 Salome Drive, Unit 3, Toronto, ON M1S 2A7 416-609-8100 ross@deckmasters.ca

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