Collated Cortex Decking Hidden Fastening System
Enhance Set Screw SM
Cortex Collated Deck Install Plugs
Cortex Spotter Lid Top view SM
Standard Install Profile SM
Cantiliver profile install SM
Trex Select Saddle A
Up close Wolf Set Collated Plug
Cortex Deck bit and fasteners
TREX Cortex Collated Decking FAMILY
Trex Select creative curve Gray
Trex Enhance Packaging 1 with lid

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.

Collated Cortex for Decking

Hidden Fastening System
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Collated Strips Save Time

Remove the need to fumble with buckets of loose plugs and get plugs set 50% faster with collated strips.

Pre-Aligned Plug Grains

Pre-aligning the plugs make getting a perfect match faster without slowing down.

Perfect Match, Clean Finish

Cortex plugs are made from the same material as market-leading deck boards, creating a 100% perfect match every time.

Cortex Collated Deck Install Plugs

Collated Cortex Hidden Fastening for Decking

Collated Cortex for Trex Enhance

Decking Color Match Tool

Just enter your brand of decking material and color you’re working with and we’ll provide you with the right FastenMaster products that perfectly match your needs

  • Amberwood
  • Beach Dune
    Beach Dune
  • Biscayne
  • Black Walnut
    Black Walnut
  • Boardwalk
  • Brownstone
  • Carmel
  • Clam Shell
    Clam Shell
  • Coastal Bluff
    Coastal Bluff
  • Coastline
  • Cypress
  • Dark Hickory
    Dark Hickory
  • Driftwood Grey
    Driftwood Grey
  • English Walnut
    English Walnut
  • Foggy Wharf
    Foggy Wharf
  • Gravel Path
    Gravel Path
  • Harbor Grey
    Harbor Grey
  • Havana Gold
    Havana Gold
  • Island Mist
    Island Mist
  • Jasper
  • Lava Rock
    Lava Rock
  • Madeira
  • Mahogany
  • Ocracoke
  • Onyx
  • Pebble
  • Rainer
  • Rocky Harbor
    Rocky Harbor
  • Rope Swing
    Rope Swing
  • Rosewood
  • Saddle
  • Saddle
  • Sand Castle
    Sand Castle
  • Silver Teak
    Silver Teak
  • Slate Gray
    Slate Gray
  • Spiced Rum
    Spiced Rum
  • Teakwood
  • Tiki Torch
    Tiki Torch
  • Toasted Sand
    Toasted Sand
  • Tree House
    Tree House
  • Vintage Lantern
    Vintage Lantern
  • Weathered IPE
    Weathered IPE
  • Weathered Teak
    Weathered Teak
  • Whidbey
  • Winchester Grey
    Winchester Grey
  • Woodland Brown
    Woodland Brown


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 AZEK, Trex, & Wolf boards.

Part Numbers

TrexEnhanceFoggy Wharf2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENFW
TrexEnhanceToasted Sand2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENTS
TrexEnhanceCoastal Bluff2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENCB
TrexEnhanceRocky Harbor2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENRH
TrexEnhanceBeach Dune2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENBD
TrexEnhanceClam Shell2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENCS
TrexEnhanceSaddle2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFENSD
TrexSelectMadeira2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSLMD
TrexSelectMadeira2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SLMD
TrexSelectMadeira2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LSLMDSS
TrexSelectPebble2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSLPB
TrexSelectPebble2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SLPB
TrexSelectPebble2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LSLPBSS
TrexSelectSaddle2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSLSD
TrexSelectSaddle2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SLSD
TrexSelectSaddle2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LSLSDSS
TrexSelectWinchester Grey2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSLWG
TrexSelectWinchester Grey2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SLWG
TrexSelectWinchester Grey2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LSLWGSS
TrexSelectWoodland Brown2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSLWB
TrexSelectWoodland Brown2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SLWB
TrexSelectWoodland Brown2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LSLWBSS
TrexSignatureOcracoke2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSGCK
TrexSignatureOcracoke2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SGCK
TrexSignatureWhidbey2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFSGWD
TrexSignatureWhidbey2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300SGWD
TrexTranscendBiscayne2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSBC
TrexTranscendBiscayne2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSBC
TrexTranscendCarmel2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSCM
TrexTranscendCarmel2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSCM
TrexTranscendGravel Path2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSGP
TrexTranscendGravel Path2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSGP
TrexTranscendGravel Path2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSGPSS
TrexTranscendHavana Gold2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSHG
TrexTranscendHavana Gold2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSHG
TrexTranscendHavana Gold2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSHGSS
TrexTranscendIsland Mist2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSLM
TrexTranscendIsland Mist2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSLM
TrexTranscendIsland Mist2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSLMSS
TrexTranscendJasper2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSJP
TrexTranscendJasper2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSJP
TrexTranscendLava Rock2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSLR
TrexTranscendLava Rock2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSLR
TrexTranscendLava Rock2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSLRSS
TrexTranscendRainer2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSRN
TrexTranscendRainer2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSRN
TrexTranscendRope Swing2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSRS
TrexTranscendRope Swing2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSRS
TrexTranscendRope Swing2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSRSSS
TrexTranscendSpiced Rum2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSSR
TrexTranscendSpiced Rum2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSSR
TrexTranscendSpiced Rum2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSSRSS
TrexTranscendTiki Torch2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSTT
TrexTranscendTiki Torch2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSTT
TrexTranscendTiki Torch2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSTTSS
TrexTranscendVintage Lantern2 1/2"Carbon Steel100 lin ftFMCTXCL-TX1LFTSVL
TrexTranscendVintage Lantern2 1/2"Carbon Steel300 sq ftFMCTXCL-TX300TSVL
TrexTranscendVintage Lantern2 1/2"Stainless Steel100 lin ftFMCTXCL-TX1LTSVLSS
Trex colors shown only. Also available for AZEK, TimberTech, WOLF, Fiberon, Veranda & more.