Proline Pacific Aluminum Patio Covers. Experience the ambiance, look and appeal of real wood with a fraction of the maintenance and up keep. Aluminum patio covers will not rust, warp, crack or rot. All Our shade structures are a smart investment that features beauty, durability and versatility, creating a refreshing outdoor environment for your friends and family. In choosing an Aluminum product, you have many styles and color options to choose from to create the perfect setting for outdoor fun and a Full Lifetime Warranty ensures carefree ownership for years to come!