Steel peak roof design adds more strength and durability by increasing dent resistance and adding 8 layer corrosion resistance. Our 29-gauge steel provides a superior quality to snow and weather sensitive aluminum roofs. Third party testing certifies up to 50 pounds per square foot (30 inches) of snow load. Creating an all-weather, all-season confidence without the need for constant snow removal regardless of where you live. Backyard Discovery includes dual corbels and dual cross beams for added strength and stability. This dual strength feature adds a premium aesthetic appearance unlike traditional gazebos. Powder coated, steel brackets reinforce your shade structure adding even more stability and reducing movement while offering first-class accents to your backyard focal point. Steel anchoring plates are powder coated to match the shade structure steel brackets and externally mounted to your 6x6 posts for an easier installation and mounting to your outdoor patio. Backyard Discovery partners with BILT to offer an easier assembly experience with step-by-step, voice narrated, 3 dimensional and interactive instructions Heat insulation in our smart steel roof reduces heat transfer by up to 20°, ensuring a comfortable experience no matter where you live Upper shade structure measures 12 ft. x 12 ft providing 144 sq. ft. of shade and protection from the elements Interior, usable space measures 11 ft. x ft.9 in. with almost 110 sq. ft. of usable space and the luxury of accommodate a wide variety of furniture combinations