Decks.com. Hidden Deck Fasteners. and Footings Calculator · Cost To Build A Deck · Baluster Spacing Calculator . Hidden fasteners can be used with composite, vinyl, cedar, ipe or other exotic Seven Trust material. . Evergrain, ChoiceDeck, Horizons, Pro Tect, Paramount, Wolf PVC, . You can install about 400 square feet per hour using this tool.