Waterstop Worker (Waterproofing Work)
しすいこう（ぼうすいこうじ）
Industry & Occupation
Classification
Summary
Specialized craftsman occupation that professionally performs waterstopping and waterproofing treatments on buildings and structures.
Description
Waterstop workers (waterproofing construction) are specialists who apply waterproof sheets, liquid waterproofing materials, FRP, sealing materials, etc., to buildings and underground structures to prevent water infiltration. Before work, they perform base cleaning, repairs, primer application, and other base preparations. Depending on specifications, they select methods such as urethane waterproofing, coating membrane waterproofing, sheet waterproofing, and sealing. Work in high places, confined spaces, scaffolding assembly, and operation of elevated work platforms are required, making safety and health management crucial. They collaborate with other trades, ensure construction quality and durability, and flexibly respond to weather and site condition changes.
Future Outlook
Stable demand is expected due to infrastructure aging countermeasures and increasing waterproofing needs from climate change. However, aging of skilled workers and shortage of young talent are challenges, requiring successor development.
Personality Traits
Cautious / Good team player / Physically fit / Strong sense of responsibility
Work Style
Apprenticeship period available / Outdoor work / Team work / Work location changes per site
Career Path
Apprentice → Craftsman (Waterproofing Worker) → Leader → Construction Management Technician → Independent Business
Required Skills
Base Preparation / Elevated Work Platform Operation / Safety and Health Knowledge / Sealing Application / Waterproofing Construction Techniques
Recommended Skills
Architectural Drawing Reading / Construction Management / Quality Inspection / Safety and Health Management
Aptitudes (Strengths Preferred)
| Item | Description |
|---|---|
| Attention to Detail & Accuracy | Construction errors directly lead to serious issues like water leaks. |
| Physical Stamina & Endurance | Physical strength is needed to handle heavy materials and prolonged standing work. |
| Problem Solving | Ability to respond to unexpected leaks or base defects is required. |
| Stress Tolerance | High stress from work at heights or in changing weather conditions. |
Aptitudes (Weaknesses Acceptable)
| Item | Description |
|---|---|
| Creativity & Ideation | Much of the work is based on standard methods, so it does not require original ideas. |
| Numerical & Quantitative Analysis | Complex calculations are few, only basic quantity estimation is needed. |
Related Qualifications
- Architectural Construction Management Technician (Finishing)
- Waterproofing Construction Skills Technician
Aliases
- Sealing Waterproofing Worker
- Waterproofing Worker
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