Refractory Products for Industry
Refractory Service, Inc. offers and stocks over 1,000 different refractory castables, bricks, mortars, ceramics, sands, plastics, anchors, and boards for our industry. Our two largest suppliers are Unifrax and Harbison-Walker International. RSI's customer service department will assist in finding the right products for your needs.


Ceramic Fiber Module


Ceramic Fiber Blanket


Refractory Bricks


RTO Media Block


Specialty Sands
and Minerals
and Minerals


Refractory Anchors
- Refractory Castables
- Refractory Bricks
- Refractory Mortars
- Ceramic Fiber Blanket
- Ceramic Fiber Modules
- Ceramic Fiber Rope
- Patching Materials
- High Alumina Tubes
- Refractory Anchors
- Insulating Boards
- Tap Out Blocks
- Burner Blocks
- Refractory Plastics
- Heater Elements
- RTO Media Block
- Porous Plugs
- Dry Vibe Material
- Shell Pro Fused Silica
- Core Pro Vitreous Silica
- Specialty Sands And Minerals