With a passion for sealing ductwork, Mr. Hardcast knows his way around the HVAC industry. He believes in products that reduce ductwork air leakage, energy loss, and moisture intrusion. For decades, he has been a dedicated spokesman for Hardcast, a Carlisle company, and will continue to provide his Seal of Approval on quality products. As a leader in manufacturing high-performance duct sealing, coating and insulation adhesive products for the HVAC industry, Hardcast delivers significant savings in labor, improves indoor air quality, enhances thermal comfort, and increases sustainability by helping your HVAC system perform at peak efficiency.