CTX
Collated Deck Install screw
Timber Tech Cortex Autofeed Website Slide
Board Compatibility
TT Collated
Enhance Pic
Cortex Decking Components
Cortex Packaging
New Fastening Options

The Cortex Hidden Fastening System is the fastest, easiest way to hide the heads of your deck screws across the entire deck, first and last board, perimeter, and stairs.

Collated Cortex for Decking

Hidden Fastening System
For AZEK®, Trex®, TimberTech®, WOLF®, Fiberon® & More!
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Perfect Match, Clean Finish

Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.

Pre-Aligned Collated Strips

Cortex plugs come on a collated strip with pre-aligned grains, so there's no need to fumble around with loose plugs

TORX® ttap® Drive System

TORX® ttap® provides superior bit engagement for a stable, wobble-free installation experience.

ProjectLife™ Warranty

FastenMaster warranties Cortex for the life of the project.

Timber Tech Collated

Find the Perfect Fastener to Match your Decking Board

Part Numbers

Visit the Decking Color Match Tool to see all available Cortex Decking SKUs.