Fasteners FastenMaster for AZEK Decking Products > Fasteners > FastenMaster for AZEK Decking Fasten Master AZEK Cortex – Slate Grey Covers 100 SQFT Fasten Master AZEK Cortex - Slate Grey quantity Add to Quote SKU: FMAD100SG Category: FastenMaster for AZEK Decking Related products Fasten Master AZEK Cortex – Weathered Teak Add to Quote Fasten Master AZEK Cortex – Maritime Gray Add to Quote Fasten Master AZEK Cortex – Kona Add to Quote Fasten Master AZEK Cortex – Dark Hickory Add to Quote