Sinterized Stone L’ALTRA PIETRA Fortezza Diorite, 60 X 60 X 2 cm, R11 – Non-Slip for outdoor use
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Introduction to Sintered Stone
Sintered Stone L’ALTRA PIETRA is renowned for its absolute durability and timeless reliability, making it the most complete and exclusive brand of full-body sintered stone. Perfectly suited for any exterior decoration project, it is available in a wide range of colors and sizes, replicating the natural stone’s aesthetic.
Advantages and Benefits
This material is celebrated for its exceptional durability, making it ideal for high-traffic areas. Its non-slip R11 finish ensures safety in outdoor settings, while its resemblance to G654 Chinese granite provides a premium aesthetic appeal. Additionally, the sintered stone is easy to maintain and resistant to harsh weather conditions.
Key Characteristics
The Fortezza Diorite measures 60 x 60 cm with a thickness of 2 cm. It is available in a sophisticated grey color and is suitable for medium to high traffic paving, exterior wall cladding, and floor covering. The product is packaged with a unit weight of 45.955 kg.
Recommended Uses
This sintered stone is ideal for various applications, including covered and uncovered terraces, exterior paving, facades, fences, home bases, and swimming pools. Its versatility and reliability make it a preferred choice for both residential and commercial projects.
Installation Guidelines
For optimal results, it is recommended to use Weber Set Stone 25 KG – Floor & wall natural stone white adhesive. Matching the stone tiles with adjustable pedestals is possible, and assistance can be found here.
Maintenance
To maintain the stone’s appearance, use LTP Mattstone or LTP Mattstone H20 as a sealer. For color enhancement, apply LTP Colour Intensifier. Clean before or after installation with LTP Grimex and for daily maintenance, use LTP Waxwash. For light stains, LTP Power Stripper is recommended.
Conclusion
Sintered Stone L’ALTRA PIETRA Fortezza Diorite is a premium choice for those seeking durability and elegance in their outdoor projects. Its high-quality finish, versatile applications, and ease of maintenance make it a valuable addition to any architectural design.
- Thickness 2
- Pool cladding YES
- Colour Grey
- Thickness unit cm
- Colour variation Low
- Product selection Standard
- Width 60
- Length 60
- Dimension unit cm
- Material Sintered stone
- Application area Facade Wet rooms (wet areas)
Choose the stone with your own hands.
Order a sample.
When choosing stone for your home, you want to know what it really looks like. When choosing for a client, you want to show them more than an image. The colour, veining and finish can look different depending on the space, light and context. Our sample service lets you experience the material before making the final decision.
Advice
Clarity when choosing materials and configuring your project.
Cutting
Precise processing in our own workshop: complex formats and bespoke objects.
Installation
Experienced technical teams for the correct installation of stone.
Transport
Specialised delivery to the construction site, nationwide and internationally.
Order samples
Natural stone care
Everything you need to know about cleaning, protection and recommended products.

ONLINE NATURAL STONE TUTORIAL
You’ve bought the stone. Now discover how to care for it.
An online episode with our natural stone care expert, featuring cleaning, protection and maintenance tips to keep your stone looking beautiful over time.

VIDEO EPISODE: NATURAL STONE PROTECTION
How to protect natural stone from stubborn stains
Explore the care instructions and recommended products for cleaning, protection and waterproofing.

PROFESSIONAL CLEANING FOR EVERY SURFACE
How to clean natural stone correctly, indoors and outdoors
In a short video episode, discover how to use a detergent suitable for all types and finishes of natural stone, with a degreasing effect and the power to remove dirt, wax or old varnish. Also suitable for engineered stone, ceramics, terracotta, brick and outdoor paving.
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