Marshalls Casarta Riven Slate Paving - 810mm x 405mm x 20mm - 50 Pack - Black

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

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Travis PerkinsMarshalls Fairstone Slate Casarta Paving Pack Black 800mm x 800mm x 20mm
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Product Information

Full details

The Marshalls Casarta Riven Slate Paving is ideal for homeowners and landscapers seeking a premium, durable aesthetic for patios, pathways, and outdoor entertaining areas. Crafted from high-quality Brazilian slate, these large-format slabs offer a sleek, modern finish with naturally anti-slip properties, though the weight of the stone requires careful handling and a stable sub-base during installation.

All features

Model Part NumberNS3672250
BrandMarshalls

Extended Product Information

FAQs

Can I use these slabs for a driveway?

These slabs are primarily designed for patios and pathways; they are not intended for heavy vehicular traffic.

How many slabs are in a pack?

Each pack contains 50 slabs.

What are the dimensions of each slab?

Each slab measures 810mm x 405mm x 20mm.

Do I need to seal the stone?

Sealing is optional but highly recommended to protect the stone from stains and facilitate easier cleaning over time.

Can I cut the slabs to fit a specific shape?

Yes, natural slate can be cut with a high-quality diamond-blade stone saw, but always wear appropriate protective gear.

Is the surface smooth or rough?

The surface is a 'naturally split' riven finish, meaning it has a textured feel that provides grip while maintaining a sophisticated look.

Troubleshooting

Slabs appearing loose or rocking after installation

This is usually caused by an uneven mortar bed; ensure the sub-base is level and each slab is fully supported by mortar.

Visible white staining (efflorescence) on the surface

This is a natural process; it usually disappears over time with rainfall, but can be cleaned with a specialized efflorescence remover if necessary.

Pros and Cons

Pros

  • High durability suitable for various climates
  • Naturally anti-slip texture for improved safety
  • Large format speeds up the laying process
  • Uniform machine-cut edges create a professional finish
  • Consistent colour selection across the 50-slab pack

Cons

  • Heavy individual slab weight requires multiple people for lifting
  • Requires a solid sub-base to prevent cracking
  • Higher material cost compared to standard concrete slabs

Setup, Compatibility & Care

Proper installation is vital for the longevity of your paving. We recommend a full-mortar bed on a well-compacted sub-base to prevent future movement or cracking. Because slate is a natural stone, ensure the underside of each slab is primed with a stone primer to guarantee a strong bond with the bedding mortar.

Maintenance Tips:

  • Cleaning: Sweep regularly with a stiff-bristle broom to remove loose debris.
  • Washing: Use warm water and a mild, PH-neutral stone cleaner. Avoid high-pressure washers, which can damage the natural surface.
  • Sealing: While not strictly mandatory, applying a high-quality natural stone sealer can help protect the slate from oil stains and organic staining, especially in high-traffic BBQ areas.

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