Manufacturing Capabilities Fuel Cell Insulation Kiln Furniture for Critical Applications Specialized Coated Materials Contact Us Chemical Resistant Materials DPF Regenerators Secondary Combustion Chambers Blankets, Felts and Papers Gaskets, Rope High Temperature Glues

Manufacturer of Vacuum Formed Refractory Ceramic Fiber, Bio-Soluble Fiber and Mineral Wool Insulation Shapes to Contain and/or Direct Heat

Refractory Specialties offers a wide range of insulation products and ceramic components in a vast assortment of materials. Our expertise in materials and engineering gives us the advantage to not only provide our customers with thermal insulation products, but insulation solutions.

With a vision toward the future, RSI continues to expand the use of high temperature insulation and refractory products to satisfy new applications in these industries: Appliance, HVAC, hearth, metals, fuel cell, solar energy, fire protection, petrochemicals, industrial process furnaces, food industry, solid fuel appliances and alternative energy. With technology surging ahead, RSI will continue to develop products for any industry where heat needs to be directed or contained. All development, production, finishing and shipping of products is done under stringent quality control procedures according to ISO 9001:2008 standards.

Featured Products


  • Gemcolite
    Gemcowool
    Solulite
    Blankets
    T-Cast
    Sinterlyte
    C-Cast
    MicroCell

View All High Temperature Products >>

Product Characteristics

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  • Suitable for Temperatures up to 3000ºF
  • Exceptionally Resistant to Thermal Shock
  • Durable and Reduces noise
  • Low Thermal Conductivity
  • Lightweight and Energy Efficient
  • Resistant to Corrosion, Water and Oil Damage
  • Completely Free of Asbestos
  • Reflective
  • Fire Proof
  • Reaches Steady State Quickly
  • Directs and Contains Heat

Visit Our Store

Visit Our Store

Don't forget to visit our parent company Unifrax

230 West California Ave.    |    Sebring, OH 44672    |    Tel: 330-938-2101    |    Fax: 330-938-2574    |    Email: bthomas@rsifibre.com