Image: LAYERED

Surface Coating Robot

LAYEREDInterior Finishes

Sprays plaster and protective coatings onto walls on site from a collaborative arm on a mobile base

3
Deployments
3
Companies that ran it

How it works on your site

LAYERED, an ETH Zurich spin-off in Lupfig, Switzerland, builds a mobile robot that sprays plaster or a protective coating straight onto walls on site, from a spray head on a collaborative arm that plans and executes its spray path while it moves. The robot scans the wall and applies the layer; a worker picks the surfaces to treat on an iPhone XR interface and supervises the run, with no plastering expertise needed to operate it.

Skim Coating (Level 5 Only)

The robot scans the wall, and a worker selects the surfaces to treat on a simple interface. It then sprays a thin, even layer of plaster or coating over the whole selected area, moving along the wall as it works.

Who has run it

3 deployments · 3 companies · 2 countries

Will it work on your site

Surface
Walls on site: the maker's photos show plaster sprayed over interior brick masonry walls.
Speed
Vendor: 2x faster, with 20% material savings.
What it prints
Thin layers of plaster or protective coating, sprayed while the robot moves.
Navigation
Scans the wall before spraying; the worker selects the surfaces to treat from the scan.
Autonomy
Plans and executes the spray path by itself. A worker selects the surfaces and supervises; the maker says non-expert construction workers run it.
Control interface
XR interface on a standard iPhone.
Show all 9
Environment
Live construction sites: two Swiss sites in October 2025 and a first French site in June 2026.
Weight
120 kg. Base 1.80 x 0.65 m and 1.30 m tall, with spray reach up to 2.70 m (maker's drawing).
Generation
First production series, following the ETH Zurich prototype taken over through ETH Transfer.

As the maker states it.

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