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Cement Masons and Concrete Finishers - 47-2051.00

O*NET-SOC Description

Smooth and finish surfaces of poured concrete, such as floors, walks, sidewalks, roads, or curbs using a variety of hand and power tools. Align forms for sidewalks, curbs, or gutters; patch voids; and use saws to cut expansion joints.

Sample of Reported Job Titles

  • Concrete Finisher
  • Cement Finisher
  • Cement Mason
  • Finisher
  • Mason
  • Concrete Mason

SOC Occupation Groups

Related Occupations

Tasks

  • Apply hardening and sealing compounds to cure surface of concrete, and waterproof or restore surface.
  • Apply muriatic acid to clean surface, and rinse with water.
  • Build wooden molds, and clamp molds around area to be repaired, using hand tools.
  • Check the forms that hold the concrete to see that they are properly constructed.
  • Chip, scrape, and grind high spots, ridges, and rough projections to finish concrete, using pneumatic chisels, power grinders, or hand tools.
  • Clean chipped area, using wire brush, and feel and observe surface to determine if it is rough or uneven.
  • Cut metal division strips, and press them into terrazzo base so that top edges form desired design or pattern.
  • Cut out damaged areas, drill holes for reinforcing rods, and position reinforcing rods to repair concrete, using power saw and drill.
  • Direct the casting of the concrete and supervise laborers who use shovels or special tools to spread it.
  • Fabricate concrete beams, columns, and panels.
  • Install anchor bolts, steel plates, door sills and other fixtures in freshly poured concrete or pattern or stamp the surface to provide a decorative finish.
  • Mix cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
  • Mold expansion joints and edges, using edging tools, jointers, and straightedge.
  • Monitor how the wind, heat, or cold affect the curing of the concrete throughout the entire process.
  • Operate power vibrator to compact concrete.
  • Polish surface, using polishing or surfacing machine.
  • Produce rough concrete surface, using broom.
  • Push roller over surface to embed chips in surface.
  • Set the forms that hold concrete to the desired pitch and depth, and align them.
  • Signal truck driver to position truck to facilitate pouring concrete, and move chute to direct concrete on forms.
  • Spread roofing paper on surface of foundation, and spread concrete onto roofing paper with trowel to form terrazzo base.
  • Spread, level, and smooth concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.
  • Sprinkle colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
  • Waterproof or restore concrete surfaces, using appropriate compounds.
  • Wet concrete surface, and rub with stone to smooth surface and obtain specified finish.
  • Wet surface to prepare for bonding, fill holes and cracks with grout or slurry, and smooth, using trowel.

Detailed Work Activities

  • Apply decorative masonry finishes.
  • Apply material to fill gaps in surfaces.
  • Apply sealants or other protective coatings.
  • Break up rock, asphalt, or concrete.
  • Build construction forms or molds.
  • Clean surfaces in preparation for work activities.
  • Compact materials to create level bases.
  • Cut metal components for installation.
  • Direct construction or extraction personnel.
  • Drill holes in construction materials.
  • Fabricate parts or components.
  • Finish concrete surfaces.
  • Inspect completed work to ensure proper installation.
  • Install building fixtures.
  • Install masonry materials.
  • Install metal structural components.
  • Install roofing materials.
  • Mix substances or compounds needed for work activities.
  • Monitor construction operations.
  • Position construction forms or molds.
  • Position structural components.
  • Pour materials into or on designated areas.
  • Prepare surfaces for finishing.
  • Signal equipment operators to indicate proper equipment positioning.
  • Smooth surfaces with abrasive materials or tools.
  • Spread concrete or other aggregate mixtures.

Military Crosswalk Titles

  • Advanced Builder (Navy - Enlisted)
  • Basic Engineer, Construction, and Equipment Marine (Marine Corps - Enlisted)
  • Builder (Navy - Enlisted)
  • Builder - Concrete (Coast Guard - Enlisted)
  • Builder Basic (Navy - Enlisted)
  • Carpentry and Masonry Specialist (Army - Enlisted)
  • Combat Engineer (Marine Corps - Enlisted)
  • Mason (Army - Enlisted)
  • Structural Apprentice (Air Force - Enlisted)
  • Structural Helper (Air Force - Enlisted)
  • Structural Journeyman (Air Force - Enlisted)

Apprenticeship Crosswalk Titles

  • Cement Mason

DOT Crosswalk Titles

  • Cement Mason
  • Cement-Mason Apprentice
  • Concrete Rubber
  • Concrete-Stone Finisher