IKO has been a major manufacturer of residential roofing supplies since the 1930s. They even produce wet chop glass fiber strands in Tennessee which are used in Illinois to make glass mats for all IKO production plants around the world! They also oxidize their own asphalt, crush their own limestone and quarries, crush and color their own granules and make their own back-surfacing at a variety of locations across North America.
IKO is also a leader in the commercial and industrial flat roofing and waterproofing business, with production plants for industrial roofing membranes, liquid waterproofing products, and ISO insulation boards in both North America and Europe. Black Hawk Roof Co, Inc. uses their products in a variety of projects.
