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Other construction and civil engineering workers

How to become a Window Frame Installer

Also called: Metal window frame installer, Metal door installer, Roller shutter installer

Specialises in fitting window and door frames into openings in buildings.

Main tasks

Workers in this job say high school is common. From job tag's survey of people in each job, who could give several answers. It shows what workers see as common, not how many workers hold each level.

How to become one

No particular education or qualifications are needed to start. People first join a window installation company and learn the skills and knowledge needed through hands-on work. After helping out, you can usually do standard installation work within two to three years. Veterans with more than ten years' experience get more jobs where they are asked for by name, but window products and methods keep improving, so you always need to keep your skills up to date. Gaining the window installation or curtain wall installation exams in the ginou kentei (national trade skills test) run by the Ministry of Health, Labour and Welfare serves as proof of skill. Some people who gain experience, skills and management know-how and can run a site go on to take on whole installation contracts, and some set up their own business. This is mainly physical work, including work on scaffolding, so physical fitness is needed.

Ways in

Pay · Job openings · AI and this job

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Questions people ask

How do I become a Window Frame Installer?

No particular education or qualifications are needed to start. People first join a window installation company and learn the skills and knowledge needed through hands-on work. After helping out, you can usually do standard installation work within two to three years. Veterans with more than ten years' experience get more jobs where they are asked for by name, but window products and methods keep improving, so you always need to keep your skills up to date. Gaining the window installation or curtain wall installation exams in the ginou kentei (national trade skills test) run by the Ministry of Health, Labour and Welfare serves as proof of skill. Some people who gain experience, skills and management know-how and can run a site go on to take on whole installation contracts, and some set up their own business. This is mainly physical work, including work on scaffolding, so physical fitness is needed.

How much does a Window Frame Installer earn in Japan?

Average annual income in the private sector, bonus included, is ¥4,668,700 (Ministry of Health, Labour and Welfare). The figure is for the wage survey group Other construction workers, which covers several jobs.

Do you need a degree to become a Window Frame Installer?

Usually not. In this job's census occupation group, only 20% of workers are university graduates. Ways in include: National trade skills test (技能検定).

Will AI change the work of a Window Frame Installer?

Generative AI can do relatively little of this work, by the ILO's global estimate.

Sources

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 解説系ダウンロードデータ（IPD_DL_description_7_01.xlsx）ver.7.01 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

独立行政法人労働政策研究・研修機構（JILPT）作成 職業情報データベース 簡易版数値系ダウンロードデータ（IPD_DL_numeric_7_00.xlsx）ver.7.00 職業情報提供サイト（job tag）より2026年10月4日にダウンロード（https://shigoto.mhlw.go.jp/User/download）を加工して作成

Sources: JILPT Occupational Information Database download data via job tag (解説系 ver.7.01 and 簡易版数値系 ver.7.00, downloaded 4 October 2026), processed by Peernovo; MHLW, Basic Survey on Wage Structure 2025; Statistics Bureau of Japan, 2020 Population Census; MEXT, School Basic Survey 2025; MHLW, Employment Referrals for General Workers (Hello Work statistics). Figures processed by Peernovo. English job names, translations and the matching of jobs to statistical groups, schools and degree fields by Peernovo.

Updated 4 October 2026