Fence Gates and Railing products. Alumi-Guard is a world class manufacturer of quality aluminum fence gates and railing products. Five (5) grades of fencing with nine (9) unique styles. Custom Gates up to 53 feet long. Our standard Armor-Guard super-durable powder coating surpasses AAMA 2604 specifications with a limited lifetime warranty. Available powder coatings compliant with AAMA 2605 specifications for gloss retention and color loss (fade resistance). Five standard powder coating colors with additional custom colors available.