Cortex for Fascia
Hidden Fastening System
The Cortex Fascia Hidden Fastening System is the strongest, easiest way to hide fasteners in Trex Fascia Boards.
For use with the brands:
- Trex
Perfect Match Plugs
Because the plugs are made from the actual fascia board material, the match is always 100% perfect.
TORX ttap Drive System
This system is almost impossible to strip-out. In addition, the stability button keeps the fastener straight through installation.
Engineered for Fascia
Cortex for Fascia was engineered to support the expansion and contraction of fascia boards over time.

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Beach Dune
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Biscayne
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Carmel
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Clam Shell
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Coastal Bluff
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Foggy Wharf
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Gravel Path
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Havana Gold
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Island Mist
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Jasper
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Lava Rock
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Madeira
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Pebble
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Rainer
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Rocky Harbor
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Rope Swing
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Saddle
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Saddle
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Spiced Rum
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Tiki Torch
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Toasted Sand
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Tree House
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Vintage Lantern
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Winchester Grey
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Woodland Brown
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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 |