Fasteners FastenMaster for AZEK Decking Products > Fasteners > FastenMaster for AZEK Decking Fasten Master AZEK Cortex – Slate Grey Covers 300 SQFT Fasten Master AZEK Cortex - Slate Grey quantity Add to Quote SKU: FMAD300SG Category: FastenMaster for AZEK Decking Related products Fasten Master AZEK Cortex – Kona Add to Quote Fasten Master AZEK Cortex – Castle Gate Add to Quote Fasten Master AZEK Cortex – Mahogany Add to Quote Fasten Master AZEK Cortex – Coastline Add to Quote