Calce Pozzolanica Pantheon
A natural pozzolanic hydraulic lime obtained by cold mixing air lime, the flagship product for structural restoration and consolidation.


Producers · Grigno (TN)
Natural limes and mortars for conservation restoration and green building in Grigno
Eccellenza Italianacertificata 2025–2026
Read on
The place
Calchèra San Giorgio in Grigno is a point of reference in the production of natural materials for conservation restoration and sustainable building. Born from the study of ancient building recipes, the company from Trentino formulates hydraulic limes, mortars and plasters with an emphasis on biocompatibility and respect for traditional techniques. Il Maso, a technical and cultural centre in the hamlet of Martincelli, serves as an exhibition and training space for industry professionals.
The origins
Calchèra San Giorgio was founded in 2007 from the study of ancient building recipes. The company from Grigno has made historical research the foundation of its production.


Why you can trust it
Calchèra San Giorgio is a member of the Eccellenze Italiane network. The mark is registered in Italy and abroad: every certified business has a unique identifier, which can be checked at any time.
Location
Calchèra San Giorgio is already on our map, with its own mark among the other certified businesses of the area: here you can look at it up close.
Enter the mapIn the making · How it is made

The company's research centre studies ancient building recipes to recover traditional techniques and translate them into contemporary biocompatible formulations.
Natural pozzolanic hydraulic limes are created through the cold mixing of air lime with pozzolans, following processes that preserve the characteristics of the starting materials.
The production of natural hydraulic limes and pozzolans follows artisan methods that ensure the traditional recipes studied by the research centre are respected.
The Scuola d'arte muraria passes on the techniques for restoring and applying traditional materials, connecting production to correct on-site application.
What is made here
Services and features
A natural pozzolanic hydraulic lime obtained by cold mixing air lime, the flagship product for structural restoration and consolidation.
A complete range including scratch coats, plasters, skim coats, finishing coats and damp-proofing systems formulated with pure lime and natural pozzolans.
A specific system for treating damp masonry, made up of breathable plasters and salt-resistant scratch coats that promote evaporation.
A protective pozzolanic lime mortar formulated for conservation restoration and sustainable building applications.
Pure calcium lime putty for finishes, paintwork and applications requiring the utmost purity of the binder.
Fluid formulations designed for structural consolidation and injection into masonry to restore internal cohesion.
The proof
Images
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