DETAILED OCCUPATION DATA
47-2051 Cement Masons and Concrete Finishers
Occupational 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. Installers of mortarless segmental concrete masonry wall units are classified in ?Landscaping and Groundskeeping Workers? (37-3011).| Percentiles | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Geography | Employment | Emp SE* | Mean | Mean SE* | 10th | 25th | Median | 75th | 90th |
| Northwest Minnesota | 70 | 29 | $24.11/hr | $0.73/hr | $16.71/hr | $19.26/hr | $23.37/hr | $27.99/hr | $32.31/hr |
| Minnesota | 4,170 | 505 | $26.71/hr | $0.61/hr | $17.46/hr | $20.81/hr | $25.55/hr | $31.20/hr | $38.54/hr |
| U S | 196,120 | 3,138 | $23.58/hr | $0.14/hr | $14.51/hr | $17.42/hr | $21.86/hr | $28.10/hr | $36.57/hr |
| *SE = Standard error, a measure of the statistical reliability of the estimate. | |||||||||
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| Occupation (click title for details) | OES | Projections | |
|---|---|---|---|
| Employment | Median Wage | % Change 2020 - 2030 | |
| Landscaping and Groundskeeping Workers | 1,350 | $14.74/hr | 7.9% |
| Brickmasons and Blockmasons | 80 | $28.29/hr | -3.2% |
| Fence Erectors | 20 | $19.79/hr | 0.8% |
| Pipelayers | N/A | N/A | N/A |
| Glaziers | N/A | N/A | N/A |
| Helpers--Brickmasons, Blockmasons, Stonemasons, and Tile and Marble Setters | N/A | $17.34/hr | N/A |
Tasks for Cement Masons and Concrete Finishers
- Chips, scrapes, and grinds high spots, ridges, and rough projections to finish concrete, using pneumatic chisel, hand chisel, or hand tools.
- Polishes surface, using polishing or surfacing machine.
- Pushes roller over surface to imbed chips in surface.
- Builds wooden molds, and clamps molds around area to be repaired, using hand tools.
- Cuts out damaged areas, drills holes for reinforcing rods, and positions reinforcing rods to repair concrete, using power saw and drill.
- Mixes cement, sand, and water to produce concrete, grout, or slurry, using hoe, trowel, tamper, scraper, or concrete-mixing machine.
- Molds expansion joints and edges, using edging tools, jointers, and straightedge.
- Applies muriatic acid to clean surface, and rinses with water.
- Cuts metal division strips, and presses them into terrazzo base so that top edges form desired design or pattern.
- Spreads roofing paper on surface of foundation, and spreads concrete onto roofing paper with trowel to form terrazzo base.
- Produces rough concrete surface, using broom.
- Signals truck driver to position truck to facilitate pouring concrete, and moves chute to direct concrete on forms.
- Spreads, levels, and smoothes concrete, using rake, shovel, hand or power trowel, hand or power screed, and float.
- Cleans chipped area, using wire brush, and feels and observes surface to detect rough or uneven surface.
- Wets surface to prepare for bonding, fills holes and cracks with grout or slurry, and smoothes, using trowel.
- Wets concrete surface, and rubs with stone to smooth surface and obtain specified finish.
- Sprinkles colored marble or stone chips, powdered steel, or coloring powder over surface to produce prescribed finish.
