Design Components, Inc. has been a leading distributor in the metal building accessory market since 1978. We offer a wide array of products from our rooftop walkway system known as METALWALK®, Roof Curbs, Doors, Windows, Canopies, Louvers, Skylights, Smoke Vents, Wall Fans, Roof Fans, Ridge Vents, Pipe Flashings & Gravity Vents. Please call us toll free or email us if you have any further questions.