Cortex Hidden Fastening System for Trex Fascia by FastenMaster

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A secure method to fasten your Trex Composite Fascia Boards while still allowing them to expand and contract with the changing seasons, look no further than the Cortex Concealed Fastening System for Trex Fascia. With color-matching plugs made from the exact same Trex material and texture as your decking, the Cortex Conceal system delivers an unblemished look with incredible holding power. Complete the look of your outdoor living space by adding the beautiful look of fascia to your deck perimeter and staircases easily with the Cortex Conceal system.

The Cortex Concealed Fastening System includes (1) Counterbore Tool to create the ideal hole size, (1) TORX® ttap Setting Tool to ensure a consistent depth for a strip-free install, (100) 1-3/4 inch epoxy coated screws, and (105) color-matching plugs. One package will cover approximately 50 linear feet.

Choose from the premium Trex finishes of Spiced Rum, White, Fire Pit, Gravel Path, Havana Gold, Island Mist, Lava Rock, Rope Swing, Tree House, Vintage Lantern, and Woodgrain White.

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DecksDirect # 7250

Cortex for Trex Fascia Installation Instructions (168 KB) 

Drive TypeTORX® ttap®
Head TypeComposite Head
Screw Length

1-3/4 in

ColorsFire Pit, Gravel Path, Havana Gold, Island Mist, Lava Rock, Rope Swing, Spiced Rum, Tiki Torch, Tree House, Vintage Lantern, and Woodgrain White
Material TypeSteel with 3 layer epoxy coating
Coverage Estimate50 linear ft
Pack Size100 piece
Package Contents(100) screws, (105) plugs, (1) counterbore tool, and (1) setting tool
WarrantyView FastenMaster Warranty Information

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