Post Your Needs

Porsgrunn Limestone

Porsgrunn Limestone

Grey - Limestone

Norway

About

Item Details

Material Type:
Limestone
Origin:
Norway (Porsgrunn, Telemark)
Primary Color(s):
Grey
Recommended Usage:
Kitchen and bathroom countertops, wash basins, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces
Additional Names:
Porsgrunn Grey Limestone, Porsgrunn Stone, Porsgrunn Limestone
Finished Surface:
Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Density:
2700 – 2750 Kg/m³
Flexural Strength:
11-14 MPa
Compressive Strength:
110-125 MPa
Stone texture:
durable, high-quality, fossil-rich limestone with a dark gray color

Description

Porsgrunn Limestone, quarried in Porsgrunn, Telemark, Norway, is a highly regarded natural stone known for its durability, high quality, and rich fossil content. Its dark gray hue coupled with subtle variations makes it a sophisticated choice for various architectural and design applications.

Physical and Mechanical Properties

  • Water Absorption:Typically low, indicating good resistance to weathering and water-related damage.
  • Density:Generally ranges around 2.7 – 2.75 g/cm³. This high density signifies its structural integrity and strength.
  • Flexural Strength:Approximately 11-14 MPa, suggesting a moderate ability to withstand bending and stretching forces.
  • Compressive Strength:Typically between 110-125 MPa, making it suitable for load-bearing applications.
  • Hardness:Similar to other limestones, it scores about 3-4 on the Mohs scale.
  • Porosity:Usually low, aiding in its durability and resistance to staining.
  • Slip Resistance:Varies depending on the finish, but generally offers good slip resistance, especially when textured.

Chemical and Mineral Composition (% by weight)

  • Calcium Carbonate (CaCO₃): Approximately 90-95%
  • Silica (SiO₂): 2-5%
  • Iron Oxides (Fe₂O₃), Aluminum Oxides (Al₂O₃), and others: <2-3%
  • Organic material: Trace amounts, contributing to the fossil richness.

Usage

  • Interior and Exterior Flooring: Its strength and appearance make it suitable for both flat floors and staircases.
  • Wall Cladding: Used in both interior and facade applications for its aesthetic appeal.
  • Countertops and Vanities: Offers a luxurious yet durable option for kitchen and bathroom surfaces.
  • Landscaping: Applied in outdoor paving, pathways, and garden features.
  • Architectural Elements: Pillars, columns, and cornices due to its intricate fossil details and durability.

Maintenance

  • Regular Cleaning: Use a mild detergent with a neutral pH. Avoid acidic or abrasive cleaners to maintain its surface integrity.
  • Sealing: Periodic sealing is recommended to heighten stain resistance and maintain appearance.
  • Polishing and Buffing: Depending on the finish, occasional professional polishing might be necessary to restore sheen.

Cutting Sizes (cm)

  • Commonly available in standard tile sizes such as 30x30, 60x30, 60x60.
  • Custom sizes can be specified for particular projects, depending on the quarry's capability.

Surface Finish Options

  • Polished: For a glossy, reflective surface enhancing color and fossil detail. Best for low-traffic, indoor applications.
  • Honed: Offers a smooth, matte finish, suitable for any application that needs a less reflective surface.
  • Brushed: Provides a textured, rustic look that increases slip resistance.
  • Bush-Hammered: Delivers a rough, non-slip surface ideal for outdoor settings.
  • Sandblasted: Creates a subtle texture that slightly reduces color intensity while increasing traction.

Porsgrunn Limestone thus offers versatility in form and function, making it a prime choice among designers and architects for both aesthetic and practical purposes.

FAQ

What is the coefficient of friction of Filled Norway's Porsgrunn Limestone tiles?

The coefficient of friction of Filled Norways Porsgrunn Limestone tiles can vary depending on various factors such as the specific finish of the tiles, the condition of the surface, and the presence of any additional coatings or treatments. Typically, the coefficient of friction for natural stone tiles, including limestone, falls within a range of 0.3 to 0.8. This range indicates the frictional resistance between the surface of the tile and another material, such as a shoe or a wheel. To obtain the exact coefficient of friction for Filled Norways Porsgrunn Limestone tiles, it is advisable to consult the manufacturer or supplier, as they can provide specific information based on their product specifications and testing data.

Can Norway's Porsgrunn Limestone be used exterior applications in very humid climates?

Norways Porsgrunn Limestone can be used in exterior applications in very humid climates, but it is important to understand that limestone is a natural stone and requires proper maintenance and care to withstand such conditions. Limestone is known to be more porous compared to other stones, which means it may be susceptible to moisture absorption and potential damage in very humid climates. To use Porsgrunn Limestone in exterior applications in humid climates, it is recommended to apply a high-quality sealant or impregnator specifically designed for limestone. This will help protect the stone from moisture penetration, reduce the risk of staining, and extend its lifespan. Regular cleaning and maintenance are also necessary to prevent the buildup of dirt, algae, or mildew, which can occur more frequently in humid environments. Ideally, the stone should be cleaned with a mild, pH-neutral cleaner and a soft brush or sponge to avoid any potential damage. Additionally, it is crucial to choose appropriate installation methods and techniques that can ensure proper drainage and minimize water retention on the stones surface. Properly designed slopes, water channels, and adequate ventilation can help prevent moisture-related issues. Ultimately, while Porsgrunn Limestone can be used in exterior applications in very humid climates, it is essential to employ proper maintenance practices, use suitable sealants, and ensure careful installation to maximize its durability and longevity.

Can Norway's Porsgrunn Limestone be used in landscaping?

Yes, Norways Porsgrunn Limestone can be used in landscaping. Limestone is a versatile natural stone that is often used in landscaping projects due to its durability, natural beauty, and ability to withstand outdoor conditions. It can be used for various purposes such as patios, pathways, retaining walls, garden borders, and decorative features. Porsgrunn Limestone, specifically from the Porsgrunn area in Norway, may have its own unique characteristics and colors that can add a distinctive and attractive touch to landscaping designs. However, it is important to consider factors such as local climate, maintenance requirements, and the specific intended use before selecting any type of stone for landscaping purposes.

Can Norway's Porsgrunn Limestone be used outdoors?

Yes, Norways Porsgrunn Limestone can be used outdoors. Porsgrunn Limestone is known for its durability and weather resistance, which makes it suitable for outdoor applications. It can be used in various outdoor projects such as landscaping, garden paving, building facades, outdoor flooring, and more. However, it is always recommended to consult with a professional stone supplier or installer to ensure proper installation and maintenance for outdoor use.

Can Norway's Porsgrunn Limestone be used in a kitchen?

Yes, Norways Porsgrunn Limestone can be used in a kitchen. Limestone is a natural and durable stone that is commonly used as a countertop material in kitchens. It is resistant to heat and scratches, making it suitable for kitchen use. However, it is important to note that like any natural stone, limestone is porous and can be susceptible to staining if not properly sealed and maintained. Regular sealing and care will help ensure its longevity and keep it looking its best in a kitchen environment.

How thick is Norway's Porsgrunn Limestone slabs?

The thickness of Norways Porsgrunn Limestone slabs can vary depending on various factors such as the intended use and customer specifications. Typically, they are available in standard thicknesses ranging from 1.5 to 3 centimeters (0.6 to 1.2 inches). However, custom thicknesses may also be produced according to individual orders or project requirements.

Is Norway's Porsgrunn Limestone an expensive stone?

The cost of Norways Porsgrunn Limestone can vary depending on factors such as quality, size, and rarity. However, in general, Porsgrunn Limestone is considered to be a relatively affordable stone compared to some other high-end limestone varieties. It is often used as a building material or for decorative purposes due to its attractive appearance and durability.

Are there color variations of Norway's Porsgrunn Limestone?

Yes, there can be some color variations in Norways Porsgrunn Limestone. The most common color of Porsgrunn Limestone is grey, but variations can include shades of light grey, medium grey, and dark grey. Additionally, some specimens may exhibit slight hints of blue, green, or brown. These color variations are a result of different mineral compositions and the presence of impurities in the limestone.

What grade is Norway's Porsgrunn Limestone?

The Porsgrunn Limestone from Norway is typically classified as a lower Carboniferous limestone, belonging to the middle Mississippian stage, which corresponds to the Visean age. This limestone is commonly assigned to the Asbian substage.

Customer reviews

Customer reviews

Write a Review
Wil**** Japan

Hello, I am looking for a raw stone in Porsgrunn within the following size limits. 5-10 cm - 15-20 cm Your sample image with tiny fossil structure is what I am looking for. I have enclosed an image for the general type shape for idea of the shape and finish of stone we seek. Can you help me? Thank you. William

Helpful (0) 0Reply

Hot Grey Limestone

New Limestone

Post Your Request

The request includes:
  1. surface finished, size
  2. quantity required