Reline furnaces with plastic block refractory material.
What does a Plastic Block Boiler Reliner do?
Relines furnace with plastic block refractory material, using handtools: Removes worn or damaged lining, using handtools. Measures furnace wall and cuts required number of sheets from plastic block, using saw. Drills holes in wall and bolts overlapping layers of plastic to walls. Hammers surface to compress layers into solid sheet.