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Travis Perkins£2,354.40Visit shop Marshalls Fairstone Slate Casarta Paving Pack Black 395mm x 395mm x 20mm
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The Marshalls Casarta Riven Slate Paving is a premium natural stone solution ideal for homeowners and commercial landscapers seeking a durable, modern aesthetic for outdoor patios and walkways. Its key benefit is the combination of a sophisticated Silver Grey color palette with a naturally slip-resistant riven surface that performs well in diverse weather conditions. However, due to its natural stone composition and 20mm thickness, it requires careful installation on a properly prepared sub-base to prevent uneven settling over time.
| Model Part Number | NS3670150 |
|---|---|
| Brand | Marshalls |
No, this product is designed for residential and commercial foot traffic and is not rated for heavy vehicular use.
While natural slate is durable, applying a high-quality breathable stone sealer can help protect the finish from stubborn stains and make cleaning easier.
The tiles have a uniform thickness of 20mm.
Yes, they can be cut using professional masonry tools, ideally a wet-cutting saw for the cleanest finish.
Each pack contains 100 tiles measuring 405 x 405mm.
As a natural stone, color may change slightly due to environmental exposure, but it is highly color-stable compared to concrete alternatives.
Natural slate is porous to some degree; ensure the installation has a slight gradient to allow water to drain away rather than pooling.
This is usually caused by an inadequate sub-base. Check that the mortar bed is consistent and the sub-base is properly compacted before relaying.
Ensure the use of a flexible, high-quality outdoor jointing compound suitable for natural stone to accommodate minor thermal movement.
To ensure the longevity of your paving, start with a solid sub-base, typically consisting of a compacted MOT Type 1 aggregate layer followed by a full mortar bed. Because these tiles have machine-cut edges, use consistent spacer systems to maintain your desired joint width. For care, keep the surface free of organic debris to prevent staining and moss accumulation. While the material is low-maintenance, a mild stone-safe cleaner can be used periodically to maintain the brightness of the Silver Grey finish. Avoid using high-pressure washers with aggressive nozzles, as this can potentially damage the stone surface or loosen the pointing mortar.
