Since 1971, Insulation Specialties of America, Inc. has produced insulating ceramic fiber vacuumed formed shapes for high temperature management. Our products are used for commercial and industrial applications ranging in temperature from 1800°F to 3000°F. Manufacturer of Ceramic, Board, Burner Blocks, Combustion Chambers, Furnace Doors, Gaskets, Ladles, Moldable RCF Glue, Roll Blocks, Sleeves, Starter Tubes, Tap Cones, Target Walls.