Shingles Our shingles are made of durable galvalume steel that withstands the test of time. With our detailed instructions and little effort you will be well on your way to having a custom looking roof that will enhance any style of home. Roll-form machinery We buy, sell and repair new or used roll form gutter machinery. Trade-ins welcome.Ourinstallation process of K-G Metal shingles, A process that is simple enough for the average home owner to understand. For complete information on how you can obtain detailed instructions, Please contact our sales department.