Aluminum Parking Control Signs from School Fix® are designed specifically for directing school visitors and clearly displaying safety and security concerns that surround every school. These signs help create more of a campus environment, by coordinating messages. Quality and durable construction, signs are available .063” or .080” thick aluminum. These signs have integrated U.V. inhibitors to resist fading and stay looking new. Each sign has 5/16” pre-drilled holes for a hassle-free installation.