Fortis Plaster GR12 historic restoration sustainable renovation bio

Plaster mortar of pure lime and natural pozzolana for mechanical application

Pre-packaged plaster in powder, mineral, breathable, eco-sustainable and bio-compatible, composed of pure aerial lime, micronized natural pozzolana and selected calcareous-siliceous aggregates in continuous particle size curve.

Absolutely free of salts and any form of clinker. After solidification, it does not contain any trace of free lime.

The binder contained in this mortar is a hydraulic lime obtained by cold mixing of aerial top-quality slaked lime, obtained from calcination, at low temperature (about 850-900°C), of pure limestone and micronized natural pozzolana of different specific surface and energy. The particular binder, called Calce Pozzolanica Pantheon – Calchèra San Giorgio, gives the dough excellent adhesion to the support, considerable elasticity (low elastic modulus), very high breathability, high resistance to alkaline aggressions, mould and bacteria formation. Free from harmful substances to health and environment. Recyclable as an inert material at the end of its life.

Main technical data

Binder	Pantheon Pozzolanic Lime
Form	Powder
Color	Amber
Water vapour permeability UNI EN 1015-19	μ < 8

Fields of application

Suitable for internal and external plasters, by manual application, on old and new masonry, in brick, stone, tuff or mixed work, where a natural and breathable plaster is needed. This product is specifically designed for conservative and monumental restoration in total compatibility with the original materials used in the past, thanks to its formulation with historical raw materials. Particularly suitable in environmentally-friendly buildings to ensure hygroscopicity and health to environments. Compatible with supports in lime-hemp, straw and bamboo.