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
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![Beach Dune]()
Beach Dune
Beach Dune -
![Biscayne]()
Biscayne
Biscayne -
![Carmel]()
Carmel
Carmel -
![Clam Shell]()
Clam Shell
Clam Shell -
![Coastal Bluff]()
Coastal Bluff
Coastal Bluff -
![Foggy Wharf]()
Foggy Wharf
Foggy Wharf -
![Gravel Path]()
Gravel Path
Gravel Path -
![Havana Gold]()
Havana Gold
Havana Gold -
![Island Mist]()
Island Mist
Island Mist -
![Jasper]()
Jasper
Jasper -
![Lava Rock]()
Lava Rock
Lava Rock -
![Madeira]()
Madeira
Madeira -
![Pebble]()
Pebble
Pebble -
![Rainer]()
Rainer
Rainer -
![Rocky Harbor]()
Rocky Harbor
Rocky Harbor -
![Rope Swing]()
Rope Swing
Rope Swing -
![Saddle]()
Saddle
Saddle -
![Saddle]()
Saddle
Saddle
-
![Spiced Rum]()
Spiced Rum
Spiced Rum -
![Tiki Torch]()
Tiki Torch
Tiki Torch -
![Toasted Sand]()
Toasted Sand
Toasted Sand -
![Tree House]()
Tree House
Tree House -
![Vintage Lantern]()
Vintage Lantern
Vintage Lantern -
![Winchester Grey]()
Winchester Grey
Winchester Grey -
![Woodland Brown]()
Woodland Brown
Woodland Brown -
![Universal White]()
Universal White
Universal White
PERFECT COLOR MATCH
Since Cortex Plugs are made from the exact same material as the composite boards, the color and texture is matched perfectly every time.
Compatible with fascia boards manufactured by Trex.
Part Numbers
| Board | SKU |
| Beach Dune | FMCTXF-TX50ENBD |
| Biscayne | FMCTXF-TX50TSBC |
| Carmel | FMCTXF-TCX50TSCM |
| Clam Shell | FMCTXF-TX50ENCS |
| Coastal Bluff | FMCTXF-TX50ENCB |
| Fire Pit | FMCTXF-TX50TSFP |
| Foggy Wharf | FMCTXF-TX50ENFW |
| Gravel Path | FMCTXF-TX50TSGP |
| Havana Gold | FMCTXF-TX50TSHG |
| Island Mist | FMCTXF-TX50TSLM |
| Jasper | FMCTXF-TX50TSJP |
| Lava Rock | FMCTXF-TX50TSLR |
| Madeira | FMCTXF-TX50SLMD |
| Pebble | FMCTXF-TX50SLPB |
| Rainier | FMCTXF-TX50TSRN |
| Rocky Harbor | FMCTXF-TX50ENRH |
| Rope Swing | FMCTXF-TX50TSRS |
| Saddle | FMCTXF-TX50SLSD |
| Saddle | FMCTXF-TX50ENSD |
| Spiced Rum | FMCTXF-TX50TSSR |
| Tiki Torch | FMCTXF-TX50TSTT |
| Toasted Sand | FMCTXF-TX50ENTS |
| Tree House | FMCTXF-TX50TSTH |
| Universal White | FMCTXF-TX50TSUW |
| Vintage Lantern | FMCTXF-TX50TSVL |
| Winchester Grey | FMCTXF-TX50SLWG |
| Woodland Brown | FMCTXF-TX50SLWB |
