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Rometa Washed treatment

Washing

Rometa Washing treatment: projects pressurized water on the wet piece before curing to achieve a washed finish that exposes the decorative aggregates.

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Description

Rometa's washing treatment projects pressurized water on the wet piece before curing, removing the surface laitance and exposing the aggregates to achieve a high-quality washed finish. This process is essential for producing premium decorative pavers and paving slabs.

Washing is a surface-finishing process applied to wet pieces before curing, producing a natural stone effect similar to that obtained with shot blasting.

The process involves blasting water against the piece. A set of in-line and parallel sprayers moves with an automatically adjustable translation speed and a zig-zag motion with water flow control; all parameters can be adjusted from the control equipment.

Sample piece with washed finish

Features & advantages

Advantages and applications of this treatment.

  • Requires a low investment, although with a longer production cycle, compared to other surface-finishing techniques.
  • The water used in the process is recycled and reused.
Rometa washing machine over the production line
Detail of the Rometa washing machine head over a tray of pieces
Nozzles spraying pressurised water onto concrete pieces during the washing process
Production area with the Rometa washing line in the background
Wet concrete pieces during the Rometa washing process

Available finishes and samples

Finishes and textures achieved with this treatment.

Concrete pavers with an exposed-aggregate washed finish

Frequently asked questions about this model

When is the Washed treatment applied during production?
Pressurised water is sprayed onto the piece while it's still wet, before curing, removing the surface laitance and exposing the decorative aggregate. It's a low-investment process compared with other finishing techniques, and the water used is recycled and reused.

The present document has no contractual validity

Interested in the Washing?

Our technical team will advise you on the ideal configuration for your project, with no obligation.

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