Job Description:

• 1) Lays firebrick and refractory tile to build, rebuild, reline, or patch high-temperature or heating equipment, such as boilers, ovens, furnaces, converters, cupolas, ladles, and soaking pits, according to job orders and blueprints: Lays out work, using chalklines, plumb bobs, tapes, squares, and levels.

• 2) Calculates angles and courses for building walls, arches, columns, corners, and bottoms.

• 3) Removes burned or damaged brick and cleans surface of setting, using sledgehammer, pry bar, pneumatic chipping gun, scraper, and wire brush.

• 4) Cuts brick to size, using brick hammer or powered abrasive saw.

• 5) Spreads fire-clay mortar over brick with trowel and lays brick in place.

• 6) Spreads or sprays refractories over exposed bricks to protect bricks against deterioration by heat, using trowel or spray gun.

• 7) Positions or bends special frame or hanger over casings to lay arches.

• 8) Cuts, notches, or drills openings to provide outlets, pyrometer mountings, brackets, and heating elements, using handtools.

• 9) Patches or replaces firebrick linings of ladles and furnace tap holes.

• 10) Constructs refractory forms for controlling quantity and flow of molten materials from furnace to rolling machines.

• 11) May replace bolts, brackets, and heating elements, repair coke oven doors, weld cracks or holes in shell, or perform other repairs.

• 12) May pack insulation into shells and frames to insulate heating equipment, such as furnaces, boilers, and ovens.

• 13) May be designated according to structure worked on as Bessemer-Bottom Maker; Coke-Oven Mason; Door Repairer; Furnace Mason; Lip-And-Gate Builder; Open-Hearth Door-Liner; Vessel Liner.

• 14) When specializing in repair and replacement of firebrick and refractory tile in casings or linings of equipment, is designated Firebrick-And-Refractory Tile Repairer.