Available for AZEK®, Royal®, Boral®, Versatex® & More!

The FastenMaster Cortex Hidden Fastening System is the fastest, easiest way to hide fastener heads when installing PVC Trim.

PERFECT MATCH, CLEAN FINISH

Cortex plugs are made from the same material as market-leading trim 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 more need to fumble around with loose plugs.

TORX® TTAP® DRIVE SYSTEM

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