The Cortex for Fascia Hidden Fastening System is the fastest, easiest way to hide the heads of your screws when installing fascia or stair risers.
Cortex for Fascia
Hidden Fastening System
For Trex® Fascia Boards
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Perfect Match, Clean Finish
Cortex plugs are made from the same material as Trex® Fascia boards, creating a 100% perfect match every time.
TORX ttap Drive System
TORX® ttap® provides superior bit engagement for a stable, wobble-free installation experience.
Engineered for Fascia
Designed to support the expansion and contraction of fascia boards over time.
Cortex Hidden Fastener for Trex Fascia
Part Numbers
| Board Manufacturer | Line | Color | Coverage | SKU |
| Trex | Enhance | Beach Dune | 50 LF | FMCTXF-TX50ENBD |
| Trex | Enhance | Clam Shell | 50 LF | FMCTXF-TX50ENCS |
| Trex | Enhance | Coastal Bluff | 50 LF | FMCTXF-TX50ENCB |
| Trex | Enhance | Foggy Wharf | 50 LF | FMCTXF-TX50ENFW |
| Trex | Enhance | Rocky Harbor | 50 LF | FMCTXF-TX50ENRH |
| Trex | Enhance | Saddle | 50 LF | FMCTXF-TX50ENSD |
| Trex | Enhance | Toasted Sand | 50 LF | FMCTXF-TX50ENTS |
| Trex | Enhance | Honey Grove | 50 LF | FMCTXF-TX50ENHY |
| Trex | Enhance | Tide Pool | 50 LF | FMCTXF-TX50ENTP |
| Trex | Transcend Lineage | Island Mist | 50 LF | FMCTXF-TX50LNLM |
| Trex | Signature | Ocracoke | 50 LF | FMCTXF-TX50SGCK |
| Trex | Signature | Whidbey | 50 LF | FMCTXF-TX50SGWD |
| Trex | Select | Pebble Grey | 50 LF | FMCTXF-TX50SLPB |
| Trex | Select | Saddle | 50 LF | FMCTXF-TX50SLSD |
| Trex | Transcend Lineage | Biscayne | 50 LF | FMCTXF-TX50TSBC |
| Trex | Transcend Lineage | Carmel | 50 LF | FMCTXF-TCX50TSCM |
| Trex | Transcend | Havana Gold | 50 LF | FMCTXF-TX50TSHG |
| Trex | Transcend | Island Mist | 50 LF | FMCTXF-TX50TSLM |
| Trex | Transcend Lineage | Jasper | 50 LF | FMCTXF-TX50TSJP |
| Trex | Transcend | Lava Rock | 50 LF | FMCTXF-TX50TSLR |
| Trex | Transcend Lineage | Rainier | 50 LF | FMCTXF-TX50TSRN |
| Trex | Transcend | Rope Swing | 50 LF | FMCTXF-TX50TSRS |
| Trex | Transcend | Spiced Rum | 50 LF | FMCTXF-TX50TSSR |
| Trex | Transcend | Tiki Torch | 50 LF | FMCTXF-TX50TSTT |
| Trex | Transcend | Universal White | 50 LF | FMCTXF-TX50TSUW |
