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.
Collated Cortex Hidden Fastening for Decking
Collated Cortex for Trex Enhance
