The deep origins of the Piasentina stone: The geological origins of the Piasentina stone and its millennial history as a building material are deeply connected to a unique geographical area in Europe: the Julian prealps area, on the border between Italy and Slovenia. Here, towards the late Jurassic period (about 145 million years ago) the Northern Adriatic seabed rose, creating a very special geological area. With its unmistakable light grey colour, sometimes verging towards brown or reddish, or maybe just tinged with white, the Piasentina stone emerges and outcrops along the slopes of the Natisone Valleys, through forests, meadows and vineyards. The quarries were first used by the Romans for the construction of the nearby Cividale, the ancient Forum Iulii founded by Julius Caesar in the 1st century BC. They were then used during the time of the Lombards in the 9th century and throughout the ages for countless purposes: from churches to palaces and villas, from farmhouses to road pavings. Unknown craftsmen and the most famous names in the history of architecture have used it, including the Renaissance genius Andrea Palladio and the Art Nouveau architect Raimondo D’Aronco, all the way to the architectural and design projects of the 21st century.
A gift from nature: Beauty, strength, durability, workability. The Piasentina stone stands out among the other stones for its qualities. One of the characteristic features of this stone is its low water absorption, making it ideal for urban paving and architectural covers. It allows you to create different finishes and surface textures using ancient traditional techniques and tools, adding unique value to each and every project where it is used. Depending on how it is worked, the Piasentina stone responds with different tactile and chromatic effects, creating endless combinations from one single material. Different thicknesses are also available, for all kinds of uses. The Piasentina stone is a material without equal, whose geographic origins and geological and technical attributes are guaranteed internationally with the CE mark by the Consortium of Producers of Piasentina Stone, of which Iaconcig has been a member since its foundation in 1965

Technical data

Proprietà fisico-meccaniche La Pietra Piasentina

  • Volume weight

    2690 Kg ∕ m3

  • Water absorption

    0,21%

  • Stress load – due to sole compression

    145 Mpa

  • Stress load – due to sole compression following gelivity

    144 Mpa

  • Elastic tangential module

    72,600 Mpa

  • Sress load – due to indirect traction following bending

    30 Mpa

  • Close friction wear – reference to San Fedelino granite

    0,58

  • Shock resistance minimum fall height

    36 cm

  • Thermal linear dilatation coefficient

    6,6 × 10ˆ– 6ºC

  • Knoop micro-hardness

    1830 Mpa

  • Non uniform hardness index

    1,35

Composizione fisica

  • CaCO3

    93,90%

  • MgCO3

    none

  • FeCO3

    1,30%

  • HCL insoluble residue

    4,52%

Maintenance

Given the composition of the Piasentina Stone, which is formed at about 94% of calcium carbonate, it warns that it is not recommended to use acid-based products for cleaning. For routine cleaning we recommend the use of water and possibly neutral detergents (which have always to be used following the manufacturer's instructions), it is suggested not to leave the dirt on the floor for too long, in case of stains, before any type of treatment or care, always perform a test on a small portion, (possibly in a hidden part) of the area to be cleaned. For special stains is always important to know the situation that has caused them and consult with competent staff in matter, that can give specific information on which products to use. For more information, please contact the company directly.

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