Open Quarries 2019


On the 14th of September 2019 Swiss quarries will open their doors to show everyone how this material is extracted and refined:   out of 75 extraction sites, 17 will be available to visit on this day.    Open quarries day is promoted by Naturstein-Verband Schweiz NVS.

Calanca Exhibit


From 2 June to 6 October 2019, don't miss this festival of imagery with international visual artists

in Santa Maria Calanca


We congratulate Nicolas Strübin on the launch of his beautiful watches and scale models based on the most famous Swiss peaks. They are also available in Calanca Gneiss! Please visit the web page.

Splitting Machine Menhir 1300 x 600GT

This hydraulic splitting machine  joined Alfredo Polti SA during the month of August. This machine is mainly used for the production of masonry articles of various sizes, allowing us to offer our customers products without visible machining holes. Until now this was only possible on small-medium-sized wall stones, while now it is also possible on large-format blocks. We are convinced that this new investment will help us further improve the quality of our products.

Alfredo Polti − T. +41 91 827 24 42 − CH-6543 Arvigo


From nature to Swiss made

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