Portoro Extra
Portoro Extra is a fine Italian marble, famous for its deep black background crossed by golden and white veins, giving it a luxurious and refined appearance. Quarried in the quarries of Portovenere, near La Spezia, Portoro Extra is ideal for cladding, flooring and furnishings, lending elegance to any space. Perfect for exclusive design projects, it is highly valued for its unique beauty that adds value and prestige, making any room sophisticated and refined.
Product description
Due to its strength and durability, Portoro Extra is also particularly suitable for applications in luxury bathrooms, kitchens, and countertops, where the combination of functionality and beauty is paramount. The golden hues capture light in a unique way, enhancing interiors with a striking visual effect. In addition, this marble is valued not only for its aesthetic value, but also for the prestige it brings to rooms, making it a distinctive choice for luxury hotels, yachts, and exclusive residences.
Data sheet
| Country of origin | Italia |
| Availability | Limitata |
| Compressive tensile strength | 1862 kg/cm2 |
| Compressive tensile strength after freezing cycles | 1597 kg/cm2 |
| Unit bending tensile strength | 104 kg/cm2 |
| Coefficient of linear thermal expansion | 0,0050 mm/m°C |
| Water imbibition coefficient | 0,74% |
| Impact resistance, minimum drop height | 25 cm |
| Frictional wear | – |
| Weight per unit volume | 2712 kg/m3 |
Related materials
Due to its strength and durability, Portoro Extra is also particularly suitable for applications in luxury bathrooms, kitchens, and countertops, where the combination of functionality and beauty is paramount. The golden hues capture light in a unique way, enhancing interiors with a striking visual effect. In addition, this marble is valued not only for its aesthetic value, but also for the prestige it brings to rooms, making it a distinctive choice for luxury hotels, yachts, and exclusive residences.
Data sheet
| Country of origin | Italia |
| Availability | Limitata |
| Compressive tensile strength | 1862 kg/cm2 |
| Compressive tensile strength after freezing cycles | 1597 kg/cm2 |
| Unit bending tensile strength | 104 kg/cm2 |
| Coefficient of linear thermal expansion | 0,0050 mm/m°C |
| Water imbibition coefficient | 0,74% |
| Impact resistance, minimum drop height | 25 cm |
| Frictional wear | – |
| Weight per unit volume | 2712 kg/m3 |
