Cement mason and concrete finisher Cement Masons and Concrete Finishers
職業コード: 47-2051（SOC） 技能移住対象外 総合 6.4/10
Responsible for pouring, leveling, and finishing concrete surfaces (e.g., floors, sidewalks, roads, curbs, etc.), using hand tools and power tools to ensure smooth and level surfaces, and setting joints.
評価 · 総合 6.4/10i
In the AI era: what happens to Cement mason and concrete finisher
The physical labor of cement masons and concrete finishers is hard to fully replace, but AI automation is gradually taking over programmable tasks like surface smoothing and joint cutting. Job demand will shift toward more complex formwork, decorative finishing, and project management.
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Replaces manual tasks like land leveling, excavation, and formwork placement before concrete pouring, reducing human labor needs.
↗ データソース -
It replaces manual measurement and chalk line work, reducing the time concrete finishers spend on formwork positioning and joint setting.
↗ データソース -
Replaces the parallel task of concrete surface finishing—automatic sanding of drywall, but not yet directly used for concrete smoothing.
↗ データソース -
Replacing experience-based decision-making in concrete mix design and quality control, reducing reliance on skilled workers.
↗ データソース - Trimble SiteVision Product Partial 2022
Assists rather than replaces: reduces measurement and marking errors through AR guidance, improving concrete finisher precision.
↗ データソース
- Using automatic troweling machines for large-area floor leveling
- Using laser-guided robots to cut expansion joints
- Automatically mix concrete and distribute based on 3D model
- Uses AI vision to detect surface flatness and automatically repair
- AI-assisted template design, optimizing pouring sequence and support plans
- Augmented reality (AR) glasses display construction drawings and real-time quality data
- Drone aerial inspection for surface defects on large structures like dams
- Smart concrete sensors provide curing recommendations
- Manual finishing of complex curved, arched, or irregular concrete shapes
- Work flexibly in unstructured environments such as bad weather or confined spaces
- On-site communication and coordination with project managers, engineers, etc.
- Fine work such as repairing cracks and voids in hardened concrete
- Operate automatic screeding robots and perform maintenance
- Reading BIM models and digital construction drawings
- Operating concrete 3D printing equipment
- Study properties of concrete additives and smart mix design techniques
- Master digital tools for quality inspection and repair
Entry-level positions (e.g., rough plasterers) will be squeezed by automation, as AI-controlled finishing robots can handle standard floor work, reducing practical opportunities for newcomers. However, roles requiring fine manual work and on-site judgment remain, with slightly higher entry barriers.
Transition from pure manual plasterer to digital construction technician: first learn to operate semi-automatic smoothing machines, then advance to 3D building printing, smart formwork systems, eventually becoming a concrete system expert capable of managing multiple robots and solving complex surface issues.
給与
| 経験 | 年収 (USD) | |
|---|---|---|
| 初級（0～3年） | $35,000 ~ $45,000 | Includes apprentices and assistants |
| 中級（3-7年） | $45,000 ~ $60,000 | Skilled worker |
| Senior (7+ years) | $60,000 ~ $80,000 | Including foremen and supervisors |
教育パス
| 段階 | 期間 | 費用 (USD) |
|---|---|---|
| High school diploma or equivalent | 0 years | $0~$0 |
| Apprenticeship training (includes on-the-job learning and classroom instruction) | 3-4 years | $0~$5,000 |
資格
| 資格 | 発行機関 | |
|---|---|---|
| Apprenticeship certificate | US Department of Labor or State Apprenticeship Council | 任意 |
| Occupational Safety and Health Administration (OSHA) safety training | OSHA or authorized training providers | 任意 |
| Commercial driver's license (e.g., for operating heavy equipment) | State motor vehicle department | 任意 |
移住
技能移住対象外. Visa pathways depend on matching the specific duties to the right petition category; refer to the latest USCIS rules and the relevant category.
向いている人
- Enjoys outdoor physical labor, not bothered by dust and noise
- Willing to gain experience through apprenticeships, patient and detail-oriented
- Passion for the construction industry and ability to adapt to seasonal work rhythms.
- Dislike high-intensity physical work or long-term outdoor assignments
- Seek stable office environment or careers with high education thresholds
キャリア見通し
Typically start as apprentice or assistant; with experience, can advance to foreman, supervisor, or specialize in decorative concrete; also possible to start own contracting business.
US construction activity continues to grow, with strong demand for infrastructure repairs, and employment in this occupation is expected to grow steadily. However, it is affected by economic cycles, with high work intensity and seasonal variations.
成長分野：
InfrastructureConstructionRenovationSkilled Trades
FAQ
データソース
Salary ranges are estimates aggregated from public listings on Indeed, Glassdoor, ERI SalaryExpert and the U.S. Bureau of Labor Statistics (BLS OEWS); employment and demand outlook cite the BLS Occupational Outlook and O*NET; visa and migration details follow the latest USCIS work-visa (H-1B / O-1 / L-1) and employment-based green-card (EB-2 / EB-3, incl. DOL PERM labor certification) rules. Figures are indicative only — always refer to the latest official sources.