Leader in Illinois and Michigan for liquid Asphalt Materials

Interstate Asphalt has been providing liquid asphalt material solutions since 1958 and adds over 50 years of expertise, quality control, quality assurance, and safety procedures to each product available in the marketplace.

Quality control and quality assurance (QC/QA) is part of Interstate’s daily operations. Interstate’s overall success is focused on the highest quality standards for every product delivered.

We test liquid asphalt materials to ensure they are designed to meet or exceed material specifications. Department of Transportation (DOT) certified technicians perform testing on Interstate’s products to monitor and maintain the quality of materials.