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Purbeck Blue Limestone

Purbeck Blue Limestone

Blue - Limestone

United Kingdom

About

Item Details

Material Type:
Limestone
Origin:
United Kingdom (Isle of Purbeck, a peninsula in south-east Dorset)
Primary Color(s):
Blue
Recommended Usage:
monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, wall panels, reliefs, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, cobbles, pavers, curbstone
Additional Names:
Purbeck Blue Stone, Purbeck Royal Blue, Purbeck Blue Limestone, Purbeck Stone, Purbeck Blue, Purbeck Blue Limestone
Finished Surface:
Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Combed,Leathered,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.462 by weight %
Density:
2704.9 Kg/m3
Flexural Strength:
18.74 MPa
Compressive Strength:
145.66 MPa
Stone texture:
typically blue-gray to smoky gray, sometimes with hints of greenish or steely undertones depending on the exact bed, still quarried, though availability may be limited depending on the specific layer or shade (such as the dark blue-gray tones) Purbeck stone, including the blue-toned varieties, is quarried in Dorset, England, from the Isle of Purbeck, a region known for producing a wide range of limestones used in both traditional and modern architecture. However, because Purbeck is a geologically layered limestone, not all beds yield the blue-toned material consistently, and extraction depends on demand, quarry access, and environmental regulations. Some suppliers may only have stocked material or process it to order.

Description

Purbeck Blue Limestone is a distinctive and attractive natural stone quarried on the Isle of Purbeck in Dorset, England. This limestone is highly valued for its unique color palette, ranging from blue-gray to smoky gray with occasional greenish or steely undertones. The characteristics of Purbeck Blue Limestone make it a sought-after material in both traditional and modern architecture.

Physical and Mechanical Properties:

  • Compressive Strength: 145.66 MPa
  • Flexural Strength: 18.74 MPa
  • Porosity (BRE 141): 1.12 % by volume
  • Porosity (CEN): 1.73 % by volume
  • Saturation Coefficient: 1.128
  • Water Absorption: 0.462 % by weight
  • Water Absorption (CEN): 0.609 % by weight
  • Bulk Specific Gravity: 2704.9 kg/m³
  • Apparent Density (CEN): 2694.0 kg/m³
  • Crystallisation Test: 0.0 % weight loss
  • Hardness:Can vary, but typically it's sufficient for both indoor and outdoor use, providing good resistance to scratches and wear.
  • Porosity:Low porosity ensures durability and resistance to staining and freeze-thaw cycles.
  • Slip Resistance:Generally offers good slip resistance, especially when finished with certain textures suitable for exterior paving.

Chemical and Mineral Composition:

  • Calcium Carbonate (CaCO₃):Dominate component contributing over 90% by weight. Primary constituent giving limestone its basic properties.
  • Clay Minerals:Vary in presence but generally under 5%. Affecting the color and texture variances.
  • Silica (SiO₂):Trace amounts present, impacting hardness and durability.

Usage:

  • Architecture:Widely used in building facades, exterior cladding, and decorative elements. Its natural beauty is favored in both historical restorations and contemporary designs.
  • Flooring and Paving:Suitable for interior floors, vanity tops, and outdoor paving due to its slip resistance and durability.
  • Monuments and Sculpture:Its unique color range makes it desirable for artistic purposes.

Maintenance:

  • Routine Cleaning:
  • Regular cleaning with a pH-neutral detergent is recommended to maintain its appearance.
  • Sealing:
  • Periodic sealing helps to preserve the stone’s natural color and prevent staining.

Surface Finish Options:

  • Honed: Smooth and matte finish, favored for interiors.
  • Polished: Highlighting the stone's natural color variations, typically used indoors.
  • Brushed or Textured: Enhances slip resistance, ideal for outdoor applications.
  • Natural or Riven: A more rustic finish that preserves the stone’s natural texture.

Conclusion:

Purbeck Blue Limestone is a versatile and durable material that adds aesthetic and functional value to various construction and artistic projects. However, given its geological variability, availability can be limited, and sourcing should be planned in advance. Collaborating with knowledgeable suppliers and choosing appropriate finishes will ensure the successful application of this exquisite stone.

FAQ

Can United Kingdom's Purbeck Blue Limestone be used in a office?

Yes, United Kingdoms Purbeck Blue Limestone can be used in an office. Limestone is a durable and versatile natural stone that is commonly used for flooring, wall cladding, and other interior applications. Purbeck Blue Limestone, specifically, is known for its unique blue-grey color and attractive natural textures, making it a popular choice for adding elegance and sophistication to various spaces, including offices. It can be used for office floors, walls, reception areas, countertops, and even decorative elements such as desks or partitions. However, it is essential to consider factors like maintenance requirements and slip resistance when selecting limestone for office use.

Can United Kingdom's Purbeck Blue Limestone be used in wall coverings?

Yes, United Kingdoms Purbeck Blue Limestone can be used in wall coverings. Purbeck Blue Limestone is a versatile and durable material that is commonly used in construction, including for wall cladding and coverings. Its natural blue-grey color and unique texture can add a distinct and attractive aesthetic to walls in both interior and exterior applications. It is often used in architectural and design projects for its visual appeal and long-lasting characteristics.

Can United Kingdom's Purbeck Blue Limestone be used exterior applications in very windy climates?

United Kingdoms Purbeck Blue Limestone can be used for exterior applications in windy climates, but it may require additional considerations and precautions. Limestone, in general, is a durable and weather-resistant material. However, strong winds can cause abrasion and erosion over time, which may affect the appearance of the stone. To mitigate these effects, it is recommended to apply a protective sealant specifically designed for limestone, which can enhance its resistance to wind-driven particles and reduce weathering. Regular cleaning and maintenance, such as removing debris and dirt buildup, can also help preserve the limestones appearance. Additionally, the installation method and design considerations play a crucial role in determining the stones performance in windy climates. Proper anchoring and secure fastening techniques should be employed to ensure the limestone remains stable and intact, even in high wind conditions. Consulting with a professional stonemason or architect experienced in working with limestone and familiar with the local climate conditions is advisable. They can provide specific recommendations and tailor the application to suit the specific requirements and challenges posed by the windy climate.

How thick is United Kingdom's Purbeck Blue Limestone slabs?

The thickness of United Kingdoms Purbeck Blue Limestone slabs can vary depending on the specific product and its intended use. Typically, these slabs are available in thicknesses ranging from 20mm (0.79 inches) to 30mm (1.18 inches) for indoor applications such as flooring or countertops. However, thicker slabs may also be available for outdoor applications or custom orders.

What is the coefficient of friction of Pickled United Kingdom's Purbeck Blue Limestone tiles?

The coefficient of friction of Pickled United Kingdoms Purbeck Blue Limestone tiles may vary depending on various factors such as the texture of the surface, the finish of the tiles, and the presence of any treatments or coatings. It is recommended to consult with the manufacturer or supplier of the specific tiles to obtain the accurate coefficient of friction information.

What grade is United Kingdom's Purbeck Blue Limestone?

I dont have information on the grading system of United Kingdoms Purbeck Blue Limestone. However, I can provide basic information about Purbeck Blue Limestone: it is a natural limestone from the Isle of Purbeck, and it is known for its bluish-grey color and fossilized shells. It is commonly used in construction, flooring, and as a decorative stone.

Are there color variations of United Kingdom's Purbeck Blue Limestone?

Yes, there are some color variations in United Kingdoms Purbeck Blue Limestone. The color tones of the limestone can vary from light grey-blue to deeper shades of blue-grey. The veining and patterning can also differ depending on the quarry and specific geological formation. Some quarries may produce limestone with more pronounced veining or fossilization, while others may have a more uniform appearance. Overall, the color and pattern variations of Purbeck Blue Limestone add character and uniqueness to this popular building and landscaping material.

Is United Kingdom's Purbeck Blue Limestone an expensive stone?

I do not have access to real-time pricing information. However, Purbeck Blue Limestone is generally considered a premium quality stone and can be relatively expensive compared to other types of limestone. The cost of the stone may depend on various factors such as the size, thickness, finish, and shipping expenses. The best course of action would be to check with local suppliers or stonemasons to determine the exact pricing.

Customer reviews

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Dav**** United States

What name brand cleaner and sealer is needed to be used on the bluebeck vanity tops?

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