FORTRESS Apex Attached 12 ft. x 12 ft. Artic Birch PVC Deck Kit and 10-Step Stair Kit with Steel Framing and Aluminum RailingFORTRESS 12x12 ft Arctic Birch Deck Kit The FORTRESS 12x12 ft Arctic Birch Deck Kit offers a comprehensive, all in one solution for building a robust, low maintenance deck. It includes superior steel framing to prevent rotting and warping, PVC decking with a natural wood like appearance, and aluminum railing for a stylish and safe finish. Perfect for both professional contractors and ambitious DIYers, this kit ensures durability and longevity with its