Decking AZEK Decking Products > Decking > AZEK Decking 20′ Azek/Tt Castle Gate Grooved Pvc Deck Board Grooved Decking, Requires Hidden Fastener System; 5/4 X 6 20' Azek/Tt Castle Gate Grooved Pvc Deck Board quantity Add to Quote SKU: ADCCG20 Category: AZEK Decking Related products 20′ Azek/Tt Coastline Solid Pvc Deck Board Add to Quote 12′ Azek/Tt Slate Gray Solid Pvc Deck Board Add to Quote 12′ Azek/Tt Mahogany Grooved Pvc Deck Board Add to Quote 16′ Azek/Tt Mahogany Solid Pvc Deck Board Add to Quote