建築板金 建築板金
What 建築板金 do
An English description is being prepared. Japanese description:
屋根には軽量のカラー鉄板が広く使われており、建築板金の手がける工事もカラー鉄板を使うケースが多い。またアルミ板やステンレス板、チタニウム板を使って屋根をふく工事も普及している。
一般住宅の屋根をふく場合、まず金属板を切断機で屋根のサイズに合わせて切り、曲げ加工してから屋根の上に運び、フェルトなどで下地ぶきした上に、軒先から順番にふき上げる。金属板は、吊り子という金物を用いて取り付ける。金属板のつなぎ目は、雨水が入らないように、金属板の端と端を重ねて折り曲げる（ハゼ組み）か、溶接してつなぐ（シーム溶接）。
金属板を使って屋根をふく場合、毛細管現象による雨水の吸い込みや、屋根勾配に吹きつける強風などで金属板がはがれて飛んでしまうことのないように、施工には高度の技術が要求される。その上勾配のある屋根上の仕事であるため、足場も悪く、安全には十分注意しなければならない。
屋根工事以外にも、外壁にリブ付化粧鉄板を貼ったり、水切り、雨押えなども行う。また、建築板金には冷暖房を行うために冷却又は加熱した空気を送るための鉄板で作ったダクトと呼ばれる管の加工・取り付けや、空気の吹き出し・吸い込み用の器具を取り付けるといった冷暖房設備の仕事もある。
◇ よく使う道具、機材、情報技術等
フェルト、吊り子、リブ付化粧鉄板、建築板金、工具（かなづち、のこぎり等の手動工具、切断機等の電動工具）、作業中の保護具（ヘルメット、ゴーグル、グローブ、安全靴等）
Employment type of workers
建築板金 salary
The average annual pay for 建築板金 in Japan is ¥4.54M (≈ $28,886; Basic Survey on Wage Structure (2025), national). The estimated median is ¥4.22M, the typical range is ¥3.21M–¥7.54M and the top 10% earn about ¥6.54M.
How does your pay compare with people your age?
Your numbers are not sent or stored. The distribution is estimated from Japan's national wage statistics, including pay differences by age.
Pay by ageest.
Estimated from the average pay and average age (43.0) using the age-wage curve of the Basic Survey on Wage Structure.
Pay by experienceest.
Pay by employment typeest.
The average hourly wage of ¥2,091 is 1.8× Japan's national average minimum wage of ¥1,177 (fiscal 2026). Minimum wage by prefecture →
Japanese pay is shown in yen (¥5.57M = 5.57 million yen ≈ 557万円). Dollar figures use the current rate of 157.25 yen per dollar and are for reference only; purchasing power differs.
Pay over time
| Year | Average pay | Employment | Openings ratio |
|---|---|---|---|
| 2021 | ¥4.09M | — | — |
| 2022 | ¥4.20M | — | — |
| 2023 | ¥4.28M | — | 2.41x |
| 2024 | ¥4.04M | — | 2.08x |
| 2025 | ¥4.54M | — | 1.98x |
Projected pay for 建築板金 (3, 5 and 10 years)est.
Today ¥4.54M → in 3 years ¥4.92M → in 5 years ¥5.19M → in 10 years ¥5.92M (10-year range ¥5.09M–¥6.87M). The model assumes pay growth of +2.7% per year.
What drives the annual growth rate
Projected pay = current pay × (1 + annual growth)^years. The annual growth rate starts from a base wage-growth rate and adds or subtracts labor demand (the job-openings-to-applicants ratio), wage momentum and AI replacement risk for each occupation. Projections are not guarantees. How it is calculated →
Outlook score for 建築板金
Each component is a percentile rank among all occupations in the same country (0–100). Weights: labor demand 25, wage momentum / openings 15, pay level 15, AI resistance 25, aging workforce 10 (Japan only), entry barrier 10.
Will AI replace 建築板金? AI replacement risk
How AI is changing this job
A written analysis for this occupation is being prepared.
AI replacement risk compares the parts of a job that are easy to hand to AI or software (processing information, documentation, repetitive computer work) with the parts that are hard to automate (physical work, working closely with people, judgment in unpredictable settings), using the MHLW job tag survey on work activities, work context, skills and knowledge. The result is a relative position among all occupations in the country, scaled to 0–100%. Methodology →
Labor demand for 建築板金
A ratio above 1.0 means there are more job openings than applicants (a labor shortage). The 5- and 10-year figures are estimates from the openings ratio, wage momentum and AI replacement risk.
The same job in the United States
| 建築板金 Japan | Sheet Metal Workers United States | |
|---|---|---|
| Median / average pay | ¥4.54M ≈ $28,886 | $61,800 |
| Pay in 10 years (est.) | ¥5.92M | $84,800 |
| Outlook score | 61 | 60 |
| AI replacement risk | 15% Very low | 11% Very low |
| Workers | — | 120K |
Matched by occupation (SOC code). Yen converted at 157.25 JPY/USD for reference; Japanese figures are averages, U.S. figures are medians, and the surveys define occupations differently.
Skills, education and requirements for 建築板金
Key skills
Skill levels from the MHLW job tag worker survey.
Key knowledge areas
What the work involves
Important abilities
Licenses and certifications (Japan)
- １級建築施工管理技士
- ２級建築施工管理技士
- １級建築板金技能士 National license
- ２級建築板金技能士 National license
- １級建築施工管理技士補
- ２級建築施工管理技士補
Related qualifications listed on job tag (names in Japanese). Some are mandatory, others recommended.
Education of workers
Training before entry
Related work experience
Difficulty of entry: ★★★☆☆ Moderate (from education, training, experience, licenses)
How to become 建築板金
The typical path in Japan is shown by the education, training and experience of current workers above and in the Japanese guidance below. A detailed English guide for this occupation is being prepared.
Guidance from job tag (Japanese)
新しい材料や工法が多く出現してきており、これらの知識、技能を習得するために業界で実施する各種の講習会に参加することも大切である。「建築板金技能士」や「建築施工管理技士」などの資格の取得により、技能が向上し、昇進などの面で有利となる場合もある。
ある程度仕事を覚えたら独立して直接工事を請け負ったり、店を構えることもできる。その場合は、施工図を作成したり、数量や価格の積算が必要となり、設計や管理の能力が求められる。
Career path and how to earn more as 建築板金
Career-path guidance is being prepared. Pay by experience is shown in the Pay section.