3 Rail 2 Rail Alternating Spear The wrought-iron fence of old has been modernized by using maintenance-free, powder coated aluminum to achieve the same look and feel, without the high cost and weight of iron. No other fence will do so much to enhance your home, pool, or backyard project as a aluminum fence does. Available in a multitude of styles and ornamentation, aluminum fences can offer both security and elegance. All styles meet pool code standards.