Sinterized Stone L’ALTRA PIETRA Fortezza Montorfano, 60 X 60 X 2 cm, R11 – Non-Slip for outdoor use
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Introduction to Sintered Stone L’ALTRA PIETRA
Sintered Stone L’ALTRA PIETRA is a premium brand known for its absolute durability and timeless reliability. This full-body sintered stone is designed to replicate the beauty of natural stone, making it an ideal choice for any exterior decoration project. The Fortezza Montorfano model specifically replicates the G603 granite, offering both aesthetic appeal and high-quality assurance.
Advantages and Benefits
The primary advantages of this sintered stone include its extensive color range, available in many sizes, and its ability to withstand various weather conditions. The R11 non-slip surface finish ensures safety, making it suitable for high and medium traffic areas. Additionally, its compatibility with adjustable pedestals provides flexibility in design and installation.
Key Product Features
This product comes in a standard dimension of 60 x 60 cm with a thickness of 2 cm. The grey color complements various design themes, while the R11 non-slip finish adds to its functionality. The sintered stone is suitable for areas such as exterior paving, facades, and swimming pools, ensuring both aesthetic and practical benefits.
Recommendations for Use
L’ALTRA PIETRA is recommended for a variety of applications including covered and uncovered terraces, exterior walls, and high-traffic paving areas. Its robust nature makes it an excellent choice for both residential and commercial projects.
Installation Guidelines
For optimal results, use Weber Set Stone 25 KG – Floor & wall natural stone white adhesive. The suggested grout is Weber Color Comfort for a flexible wall and floor finish. If you need assistance with matching the stone tile size with the required quantity of adjustable pedestals, click here.
Maintenance Tips
To maintain the stone’s appearance and functionality, use LTP Mattstone or LTP Mattstone H20 as a sealer. For color enhancement, apply LTP Colour Intensifier. For cleaning, use LTP Grimex before or after installation, LTP Grout Stain Remover for intensive cleaning, and LTP Waxwash for daily maintenance.
Conclusion
Sintered Stone L’ALTRA PIETRA Fortezza Montorfano is a versatile and reliable choice for exterior projects. Its combination of aesthetic appeal, durability, and safety features make it a top-tier option for enhancing outdoor spaces.
- Thickness 2 cm
- Pool cladding YES
- Colour Grey, White
- Thickness unit cm
- Colour variation Low
- Width 60
- Product selection Standard
- Length 60
- Dimension unit cm
- Material Sintered stone
- Application area Facade Wet rooms (wet areas)
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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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