
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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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.

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.
Available finishes and samples
Finishes and textures achieved with this treatment.
Other secondary treatments
Each treatment achieves a different finish: discover the rest of the catalogue.

Split
Rometa Split surface treatment: divides the piece in two to achieve a natural rough texture in decorative blocks, kerbstones and pavers.

Tumbler
Rometa Tumbler surface treatment: collides dry pieces in a rotating cylinder to achieve an aged finish with high decorative demand.

Shot blasting
Rometa Shot blasting treatment: projected steel shot removes the fine surface of the dry piece to achieve a decorative shot-blasted finish.
Frequently asked questions about this model
When is the Washed treatment applied during production?
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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