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We produce concrete slabs and prefabricateds for outdoor pavements

Our main product is ecoGranic, a technology implemented in a concrete prefabricated that purifies the air, through a natural oxidation process similar to the plants photosynthesis.


ecoGranic is the technology developed and patented by PVT, implemented in a high resistance concrete prefabricated, that besides accomplishing its architectonical and esthetical function, actively contributes to the elimination of pollutants form the atmosphere.

More about ecoGranic

We produce a great variety of models of slabs, complements, walls elements, urban furniture.

According to the brand, model, we offer a great variety of finishes and colours for all our products.

We have the capacity to manufacture any custom built product, both new creation and repositions.

We have commercial, technical and utilities information at your disposal. If you can’t find anything, ask for it.

We have an advice and accompaniment service for the design and development of your product. We can make all the process for you or the phase you require.

Highlighted works

Alter 30 years of expertise we keep our vocation of offering a quality product and service, imaging and making real the best outdoor pavements.

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