Cortex Screws Hidden Fastener in TimberTech AZEK Vintage Collection deck boards

Cortex Screws: What They Are & When to Choose Them

“Cortex screws,” “top-down fasteners,” “hidden” or “color-matched” — what does it all mean? It can feel like there’s a lot of deck fastener lingo to keep track of. Don’t sweat it; we’ve got the fastener guidance you need. How Fasteners Play Into Your Deck Project If you’ve decided to build your own deck — or …

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