Plays via YouTube's privacy-enhanced embed

日本の家作り（据え付け作業）Japan builds house in 1 day

R

Rachel and Jun

Demos

Like Watch later Share YouTube

1 HN user recommended this demo1 month2016–2021 score 1

Years with an HN recommendation, 2007–2026

Cited in prefab and housing threads as proof that high-quality modular homes can be assembled on site in hours.

Rachel and Jun film Toyota Home Aichi installing a prefabricated house unit in Japan, with the assembly and roof waterproofing completed in about half a day.

“assembling a modular home in Japan” (HN, 2018)

1 recommendations · 3 citations · Demos

Civil engineering & constructionManufacturing & industrial processes Demos Engineering, Transport & Making

4 Hacker News comments

From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.

S

@sithadmin Jun 2018 Recommends

on HN thread Developers are manufacturing prefabricated apartment buildings

Here's a cool video of ToyotaHome (yes, that Toyota) assembling a modular home in Japan: [this video] Their website: [link] (JP only, no English)

ToyotaHome assembling a modular home.

View on Hacker News

Citations, criticism and jokes

M

@Mindless2112 Dec 2016 Cites it

on HN thread Who Lives with Their Parents?

Toyota manufactures houses in Japan [1]. If they sold them in the US, I'd buy one in a heartbeat. [1] [this video]

Toyota builds houses in Japan.

View on Hacker News

T

@tekacs Mar 2017 Cites it

on HN thread A $10K tiny house 3D-printed in 24 hours

It might come down to culture/demand? In Japan where it's preferred to make a new home rather than buy a pre-owned one (outside the big city), pre-fab seems to have taken off rather more (13% of new builds in 2013). For example, a house built in a day (customisable, moderately expensive but very high quality): [this video]

House assembled in a day in Japan.

View on Hacker News

M

@Mindless2112 Mar 2021 Cites it

on HN thread What We Can Learn from Japanese Prefab Homes

There's a good chance of not seeing one being built since it might only take 6 hours -- see [1]. [1] [this video]

Prefab house built in a few hours.

View on Hacker News

Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.