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Marshalls Casarta Riven Slate Paving - 100 Pack - Black - 405 x 405 x 20mm

Marshalls Casarta Riven Slate Paving - 100 Pack - Black - 405 x 405 x 20mm

Experience the elegance and durability of the Casarta® Riven Slate Paving. With its naturally spli...

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Marshalls Fairstone Slate Casarta Natural Stone Paving Black 450 x 450mm

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Travis PerkinsMarshalls Fairstone Slate Casarta Natural Stone Paving Black 450 x 450mm
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Product Information

Full details

This guide is for homeowners and landscapers seeking a durable, elegant, and contemporary paving solution for outdoor spaces. The key benefit is the high-quality Brazilian slate construction offering both beauty and anti-slip safety, with the large format stones enabling faster installation. A potential consideration is the need for careful handling and professional installation to achieve the best aesthetic results.

All features

Model Part NumberNS3672150
BrandMarshalls

Extended Product Information

FAQs

What is the primary benefit of Brazilian slate?

Brazilian slate is known for its exceptional durability, resistance to weathering, and natural anti-slip properties, making it ideal for outdoor paving.

Can these paving slabs be used on a slope?

Yes, the anti-slip surface is beneficial on slopes. However, proper installation with a secure mortar bed and drainage is crucial to prevent slippage or erosion.

How do I maintain the black colour of the slate?

Regular cleaning with water and a soft brush is recommended. For deeper cleaning or to enhance colour, use a pH-neutral natural stone cleaner or a sealant specifically designed for dark stone.

What is the recommended joint width for these slabs?

The machine-cut edges help achieve consistent joints, typically recommended between 5mm and 10mm, depending on the installation method and desired aesthetic.

Is this product suitable for driveways?

These paving slabs are primarily designed for patios and pathways. For driveways, a thicker, more load-bearing material is usually recommended due to the weight and stress of vehicles.

How many slabs are included in a pack?

Each pack contains 100 slabs.

What are the dimensions of each paving slab?

Each slab measures 405 x 405 x 20mm.

Troubleshooting

Slabs appear uneven after laying.

This may indicate an issue with the base preparation or laying course. Ensure the sub-base was properly compacted and the mortar bed was full and even. Slabs might need to be lifted and re-bedded.

Colour variation seems too pronounced.

While hand-selected for consistency, natural stone can have inherent variations. If the variation is excessive, consult the supplier. Ensure cleaning methods do not accentuate these differences.

Stains are difficult to remove.

Use a specific natural stone cleaner. For greasy stains, try a poultice made of absorbent powder and a solvent. Avoid abrasive cleaners or bleach.

Moss or algae growth.

Use a dedicated patio cleaner designed for natural stone. Ensure good air circulation and sunlight where possible. For persistent growth, consider a biocide treatment suitable for stone surfaces.

Pros and Cons

Pros

  • Offers a sophisticated, natural stone aesthetic.
  • High durability and weather resistance due to Brazilian slate.
  • Built-in anti-slip properties for enhanced safety.
  • Faster installation thanks to large format slabs.
  • Consistent colour and precise edges for a professional finish.

Cons

  • Requires a solid, well-prepared base for stable installation.
  • Natural stone may have slight variations in thickness requiring careful bedding.
  • Heavier than man-made paving, potentially requiring more labor for transport and placement.
  • Can be more expensive than some alternative paving materials.
  • Requires specific cleaning methods to maintain its appearance.

Setup, Compatibility & Care

Setup:

  1. Base Preparation: A robust sub-base of compacted hardcore and sharp sand is essential for stability and to prevent movement. Ensure the area is level.
  2. Laying Course: Lay the slabs on a full mortar bed (typically 1 part cement to 4 parts sharp sand) or a compacted aggregate bed, depending on the desired finish and structural requirements.
  3. Jointing: Use a suitable jointing compound or mortar mix, ensuring consistent joint widths (aided by the machine-cut edges) and striking off excess material.
  4. Random or Single Pattern: The large format slabs can be laid in a random pattern for a more dynamic look or used singularly for a minimalist, contemporary design.

Compatibility:

  • Compatible with most standard paving installation techniques and materials.
  • Suitable for patios, pathways, garden terraces, and areas requiring a durable, decorative surface.

Care:

  • Cleaning: Sweep regularly to remove debris. For stubborn stains, use a stiff brush and water. A mild, pH-neutral patio cleaner can be used for deeper cleaning, but avoid harsh chemicals or acidic cleaners that can damage the slate.
  • Sealing: While slate is durable, applying a quality natural stone impregnator sealant can help protect against staining and enhance the colour. Reapply as needed, typically every 2-3 years.
  • Maintenance: Periodically check for any loose slabs and re-bed them as necessary. Ensure drainage is adequate to prevent water pooling.

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