With a tradition of engineering excellence and proud craftsmanship that stretches back to 1866, Merchant & Evans offers an advanced and highly diversified line of top-quality metal roof systems to cover virtually any design requirement. Custom-form roofing, siding, fascia systems, mansards, soffits, copings, sheet metal trims and cornices round out the custom sheet metal capabilities of Merchant & Evans while ZIP-RIB structural roofing offers the highest and longest performance of any structural/ functional standing seam metal roof system in the world. ZIP-RIB was developed by Kaiser Aluminum in 1964 and has been a part of Merchant & Evans product line since 1980. It has proven its ability to protect and beautify structures in some of the world's harshest environments.