The roofing experts at Smart Roofing, Inc. have recently installed a standing seam metal roof system in Highland Park, Illinois. A standing seam metal roof system is a succession of vertical sheet metal panels connected side-by-side by a vertical locking mechanism called the seam.
Read more here:
http://www.smartroofers.com/smart-roofing-inc-installs-standing-seam-roof-in-highland-park/