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Gris Liso Limestone

Gris Liso Limestone

Grey - Limestone

Portugal

About

Item Details

Material Type:
Limestone
Origin:
Portugal (Lourinhã)
Primary Color(s):
Grey
Recommended Usage:
Kitchen and bathroom countertops, monuments, building stone, ornamental stone, building stone, stairs, interior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, columns, fireplace surround
Additional Names:
Calcario Azul Lourinha, Azul Lourinha Limestone, Liso Grey Limestone, Azul Regiao Limestone, Gris Liso
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.29% - 0.50% by weight
Density:
2690 kg/m³
Flexural Strength:
14.7 - 28.6 MPa
Compressive Strength:
143.1 - 147.1 MPa

Description

Gris Liso Limestone is a captivating natural stone quarried in Lourinha, Aljubarrota, Alcobaca, Portugal, known for its dark blue to earthy gray coloration and medium-grain texture. This limestone is characterized by the abundant presence of tiny fossil signs, which add a unique visual dimension to its surface, making it an elegant and versatile choice for various architectural and design applications. 

Texture & Pattern:

  • Texture: Medium-grained, with a consistent and smooth surface.
  • Pattern: Predominantly dark blue to earthy gray tones, enriched by tiny fossil traces that give the stone a natural and organic appearance. 

Test Results & Physical Properties:

  • Water Absorption: 0.29% - 0.50% by weight
  • Density: 2690 kg/m³
  • Compressive Strength: 143.1 - 147.1 MPa
  • Flexural Strength: 14.7 - 28.6 MPa
  • Hardness (Mohs): 3.0 – 4.0
  • Porosity: Low to medium, ensuring good resistance to moisture absorption.

Slip Resistance:

  • Polished Finish: Moderate slip resistance, ideal for dry interior applications.
  • Honed/Brushed Finish: Higher slip resistance, suitable for wet and outdoor areas. 

Chemical & Mineral Composition (% by weight):

  • Calcium Carbonate (CaCO3): 92% - 95%
  • Silica (SiO2): 3% - 4%
  • Iron Oxide (Fe2O3): 0.3% - 0.5%
  • Magnesium Oxide (MgO): 0.4% - 0.6%
  • Alumina (Al2O3): 0.3% - 0.5% 

Applications & Usage:

  • Interior Applications: Flooring and wall cladding. Kitchen countertops and bathroom vanities. Staircases, fireplace surrounds, and decorative accents.
  • Exterior Applications: Facades, paving, and landscaping features. Pool surrounds, patios, and outdoor staircases. 

Maintenance & Care:

  • Cleaning: Use mild pH-neutral cleaners. Avoid acidic or abrasive agents that may damage the surface.
  • Sealing: Periodic sealing is recommended to protect against moisture absorption and stains, particularly in high-traffic and wet areas.
  • Polishing/Restoration: Can be re-polished or refinished to restore its original luster. 

Cutting Sizes (cm & inch):

  • Standard Slab Sizes: 250-320 cm x 120-200 cm
  • Tile Sizes: 30x30 cm, 30x60 cm, 40x40 cm, 60x60 cm, 60x120 cm, and custom sizes available upon request.
  • Thickness Options: 2 cm, 3 cm, and custom thicknesses available. 

Surface Finish Options:

  • Polished: Glossy and reflective, enhancing the intricate fossil patterns.
  • Honed: Matte and smooth, offering a more subtle and natural look.
  • Brushed: Textured and slip-resistant, suitable for outdoor applications.
  • Sandblasted: Rough and anti-slip, ideal for exterior paving and landscaping.
  • Leathered: Textured with a slight sheen, highlighting the stone’s natural character.
  • Tumbled: Aged and rustic appearance with softened edges. 

Shipping & Packaging:

  • Packing: Safely packed in wooden crates with foam and plastic protection for slabs and tiles.
  • Lead Time: 3-5 weeks depending on order volume and customization.

Gris Liso Limestone’s durability, distinct fossil presence, and versatile color palette make it a preferred choice for both residential and commercial projects, offering a timeless and sophisticated aesthetic.

FAQ

Can Portugal's Gris Liso Limestone be used in a kitchen?

Yes, Portugals Gris Liso Limestone can be used in a kitchen. Limestone is a natural stone with a variety of uses, including kitchen countertops, backsplashes, and flooring. It is a durable and heat-resistant material that can withstand the demands of a kitchen environment. However, it is important to note that limestone is a porous material and may require regular sealing to prevent staining and damage from moisture and spills.

Can Portugal's Gris Liso Limestone be used exterior applications in hot climates?

Yes, Portugals Gris Liso Limestone can be used for exterior applications in hot climates. Limestone is a durable natural stone that can withstand various weather conditions, including high temperatures. However, it is always recommended to consult with a professional stonemason or manufacturer to confirm the suitability of the specific type of limestone for a particular application and climate.

What is the coefficient of friction of Filled Portugal's Gris Liso Limestone tiles?

There is no specific value for the coefficient of friction of Filled Portugals Gris Liso Limestone tiles as it can vary depending on various factors such as the specific finish, surface treatment, and condition of the tiles. The coefficient of friction is typically not provided by manufacturers for specific types of limestone tiles. It is recommended to consult the manufacturer or supplier for the specific coefficient of friction information for the particular tiles you are referring to.

How thick is Portugal's Gris Liso Limestone slabs?

The thickness of Portugals Gris Liso Limestone slabs can vary depending on the specific supplier or manufacturer. However, common thickness options for these slabs are typically around 2 centimeters (cm) or 3 centimeters (cm).

Can Portugal's Gris Liso Limestone be used in landscaping?

Yes, Portugals Gris Liso Limestone can be used in landscaping. Limestone is a durable and versatile natural stone that is commonly used in landscaping projects. It can be used for various applications such as paving, pathways, garden walls, retaining walls, steps, and decorative features. The Gris Liso variety of limestone from Portugal has a smooth grey color and a refined appearance, which can add an elegant and contemporary look to outdoor spaces.

Are there color variations of Portugal's Gris Liso Limestone?

Yes, there are color variations of Portugals Gris Liso Limestone. The base color of this limestone is gray, but it can have varying shades of gray and white tones. Some Gris Liso Limestone can also have slight veining or fossils. The color and pattern of the limestone can vary depending on the quarry from which it is sourced.

What grade is Portugal's Gris Liso Limestone?

I cannot find any specific information indicating that Portugal has a limestone grade called Gris Liso. However, there are different types of limestone grades categorized based on their properties, such as density, porosity, hardness, and strength. Therefore, it might be essential to provide some more context or information to answer your question accurately.

Is Portugal's Gris Liso Limestone an expensive stone?

I do not have access to real-time market prices of stones like Gris Liso Limestone. However, the price of a particular type of stone can depend on various factors such as its availability, quality, size, and demand. To know the current market price of Gris Liso Limestone, it is best to consult with a professional stone supplier or a local market.

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