Bathroom Pod Manufacturing: Tilers, Factories and ABB

A bathroom pod is a complete bathroom built in a factory, with fixtures, fittings, plumbing, electrics and finishes in place, then trucked to the building and lifted in by crane. Bathroom pod manufacturing turns a room that used to need many trades on site into a product made on a line. This post follows the idea from tilers working in place and the first prefabricated bathrooms of the 1940s and 1960s to the pod factories winning big orders in 2026, the first automated tiling and where ABB robots could fit. Bathtubs themselves are a separate story, told in our post on bathtub manufacturing.

Wrapped prefabricated bathroom pods awaiting their surrounding walls at a low-cost housing site in Kvistgård, Denmark, designed by Tegnestuen Vandkunsten, 2008. Photo: seier+seier / Wikimedia Commons (CC BY 2.0)

Tilers on site and the first factory bathrooms

Building a bathroom in place takes a crowd of trades. DAMAC says that lifting in a finished pod replaces work that typically needs up to 14 specialised contractors, including masonry and concreting teams, and it puts waste at more than 7 percent of the materials delivered to a traditional site. Tiling alone takes skill and time. Before thinset adhesives arrived after the Second World War, tiles were set in a thick bed of sand and cement mortar. Even today Sika, which sells tile adhesives, says skilled tilers are scarce and that manual tiling cannot keep up with high-volume demand.

Tilers at work on a wall and floor in East Germany, 1979. Photo: Eugen Nosko / Deutsche Fotothek via Wikimedia Commons (CC BY-SA 3.0 DE)

Buckminster Fuller received US patent 2,220,482 for a "Prefabricated bathroom" on 5 November 1940. His Dymaxion Bathroom was made of stamped copper in four nesting pieces that formed two connected bubbles, with the toilet, shower, tub and sink shaped into the shell, and a plastic version was available on and off until the 1980s. Fuller also promoted metal houses, such as a Dymaxion house adapted from a corn bin and built by Butler Brothers, which the Farm Security Administration photographed in Kansas City in 1941.

A metal Dymaxion house adapted from a corn bin by Butler Brothers and promoted by Buckminster Fuller, Kansas City, May 1941. Photo: Marion Post Wolcott / Library of Congress via Wikimedia Commons (public domain)

Japan put prefabricated bathrooms into a major building for the 1964 Olympics. The Hotel New Otani in Tokyo opened on 1 September 1964, a month before the Games, after being built in seventeen months, and its prefabricated unit bathrooms were among the techniques that were revolutionary in Japan at the time. An acrylic bathroom cell by Günther Ludwig Eckert dates from 1967. The work moved indoors, and people kept doing it. In 2026 Walker Modular still describes trained production teams doing the manufacturing, fit-out and inspection in its factory in Hull.

The Hotel New Otani under construction in Tokyo in 1963, ahead of the 1964 Olympics. Photo: Merrick Baker-Bates / Wikimedia Commons (CC BY-SA 4.0)

Pod plants in Hull, Lancaster and Dubai

Orders in 2026 run into thousands. On 14 September 2026 Construction Enquirer reported that Walker Modular will supply 2,000 bespoke pods for the £250 million Castle Leazes student scheme in Newcastle, a partnership between Unite Students and Newcastle University with Bowmer + Kirkland as main contractor. Each pod is a one-piece GRP shell without seams, designed to reduce joints and waterproof interfaces, and is built in Walker's Hull factory. In July, Oakleaf Contracts opened a 65,000 square foot pod plant in the Lancaster area and won an order for 3,300 pods for student housing at an English university.

A compact bathroom module with toilet, basin and bath in a hotel room at Hotel Villa Fontaine Shinsaibashi in Osaka, 2013. Photo: Richard, enjoy my life! / Wikimedia Commons (CC BY-SA 2.0)

Dubai's DAMAC builds the same way. On 20 October 2026, at the WETEX show, it said it has invested more than AED 44 million in a 17,000 square metre offsite factory and has about 10,000 pods in its current project pipeline. Its pods arrive finished and go in by crane, which cuts the number of trades on site, reduces finishing work at height and lowers dust, noise and vehicle movement. DAMAC puts factory waste at under 1.5 percent of materials, against more than 7 percent on a traditional site, a cut of about 78 percent.

DAMAC's 17,000 square metre offsite manufacturing facility in the UAE. Photo: DAMAC

Automation has reached the tiling step first, at least according to Sika, which supplies adhesives for automated pod tiling. It says 100,000 bathroom pods have been made with automated tiling worldwide, with tiles bonded to metal or fibreglass carrier panels off line and fitted later, and it claims that 70 percent of pod damage in transport comes from rigid adhesives cracking. These are a supplier's figures. No source shows ABB robots in a pod factory, so ABB's place there is a possibility, but its robots already make bathroom products. Austrian toilet seat maker MKW began using industrial robots in 1987, and its ABB IRB 2400 and IRB 4400 robots helped it raise seat production five-fold.

An ABB robot handling toilet seats at MKW in Austria. Photo: ABB

What robots still have to learn in pod factories

The jobs inside a pod plant suit robots in different ways. Moving tiled carrier panels or wall boards is heavy, repetitive handling, the kind of work ABB's IRB 4600, a general purpose robot with up to 60 kg payload and 2.55 m reach, is built for. Sealing joints is close, fiddly work, and ABB says its GoFa cobot can share space with people without fencing and that its Ultra Accuracy option suits gluing and sealing. Both are possibilities for now, and a cell for either can be laid out and tested in RobotStudio before a pod line changes.

An engineer with a GoFa cobot, the arm ABB offers with its Ultra Accuracy option. Photo: ABB

Most of the pod orders in this post are for student rooms. Oakleaf builds pods for residential, student accommodation, hotel and healthcare projects, and Walker's Newcastle pods will serve 2,000 student bedrooms on a site due to reopen in time for the 2028/29 academic year. Hospitals are taking factory-built rooms further: on 21 October 2026 McLaren Bay Region said it is the first in Michigan to use prefabricated exam room pods in a new health care facility. For the people who use these rooms, the difference is a bathroom finished and checked in a factory before the building opens.

A unit bath with a moulded tub and grab rail in Japan, 2024. Photo: Caspian water / Wikimedia Commons (CC BY 2.0)

Transport, joints, cost and skills remain the open problems. A finished pod has to survive a truck ride and a crane lift, which is why Sika pushes flexible adhesives, and Walker's one-piece shell is designed to cut the number of joints and waterproof interfaces. Sika claims automated tiling pays back in three to four years, a figure buyers will want to test for themselves. People stay central as well. Walker's process relies on trained production teams for fit-out and inspection, and any robots added to a pod plant will need staff who can program and maintain them.

ETH Zurich's In situ Fabricator, an ABB IRB 4600 on a tracked base, building a curved wall. Photo: Gramazio Kohler Research, ETH Zurich / Wikimedia Commons (CC BY-SA 4.0)

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