ShelterLogic Garage 12 x 20 x 8 ft. Frame constructed of heavy duty 1-5/8 in. Premium powder coat finish protects frame from corrosion and rust. Built to take on the tough weather – rated for winds up to 90 MPH and a snow load of 40 PSI. Ripstop tough advanced engineered polyethylene fabric cover is UV treated inside, outside, and in between. Heat welded seams, not stitched, are 100% waterproof. Patented ShelterLock stabilizers at every rib connection for rock-solid strength and stability. Ratchet-Tite tension system and Easy-Slide cross rails keep the cover smooth and taut. Bolt-together hardware at every connection point ensures maximum strength and durability.