This material indeed has unique mechanical and chemical qualities: neutral pH, high absorption capacity, very high heat resistance, high filtration capacity, phonic properties, etc …
Pozzolana is a 100% natural material that has no adverse impact on the environment.
The name of Pozzolana comes from the city of Pozzuoli located 27 km from Vesuvius. Its color is generally black or brick red, more rarely gray or yellowish.
