Decking – Shagbark Lumber & Farm Supply.AZEK Trademark Rail, a versatile Colonial style available in White, works well with any housing style. AZEK Reserve Rail, available in White, is a generously sized railing offering a luxurious look and feel. 6' & 8' sections 36" high 54" & 12' post sleeves. Pyramid & island post caps. Post trim rings. Mounting kits & post mounts.