RSI is a manufacturer of vacuum formed ceramic fiber & mineral wool insulation boards, blankets & shapes for high temperature industrial applications.

For over forty years, Refractory Specialties has supplied industrial insulation components as a part of Ferro Corporation's Refractories Division. In 1992, Refractory Specialties was purchased by its managers and established as a separate corporation. The experienced production, technical and service staff continues to meet your needs for high quality products and excellent service. With our vision toward the future, we continue to expand the use of our products to satisfy new applications i...

For over forty years, Refractory Specialties has supplied industrial insulation components as a part of Ferro Corporation's Refractories Division. In 1992, Refractory Specialties was purchased by its managers and established as a separate corporation. The experienced production, technical and service staff continues to meet your needs for high quality products and excellent service. With our vision toward the future, we continue to expand the use of our products to satisfy new applications in these industries: automotive, appliance, HVAC, metals, fuel cell, solar energy, petrochemicals, industrial process furnaces, solid fuel appliances and high temperature gaskets.