Perfect Match, Clean Finish
Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.
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.
Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.
Cortex plugs come on a collated strip with pre-aligned grains, so there's no need to fumble around with loose plugs
TORX® ttap® provides superior bit engagement for a stable, wobble-free installation experience.
FastenMaster warranties Cortex for the life of the project.
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.
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.
Cortex plugs come on a collated strip with pre-aligned grains, so there's no need to fumble around with loose plugs
Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.
Learn more about product specifications. Explore our products resources library.
You can see what FastenMaster products are compatible with you deck board with the Decking Color Match Tool
To remove a Cortex plug we recommend using a trim screw. Drive the screw through the plug until it bottoms out when it reaches the head of the Cortex screw. Then wiggle the plug out.