Riven Utility Slabs - Dark Grey - 450X450 - Pack of 60

The Riven Utility Slabs offer a traditional, weathered profile that provides a classic look for yo...

Best current price£399.99from B&Q

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B&Q - 60 X Riven Utility Slabs 450X450 Dark Grey
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£399.99
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The RangeDiscount Materials 60 X Peak Riven Utility Slabs 450 X 450 Mm Dark Grey - Dark Grey
Free delivery in 1–3 days
£399.99
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Product Information

Full details

The Bradstone Riven Utility Slabs are designed for homeowners and contractors seeking a reliable, functional paving solution for utility zones, garden pathways, and shed bases. These concrete slabs offer a classic, weathered aesthetic that blends well with traditional outdoor environments while providing a durable, hard-wearing surface. While they are an excellent, cost-effective choice for heavy-use utility areas, their traditional riven texture may require more effort to clean compared to smooth, contemporary porcelain or polished stone finishes.

All features

Model Part Number1386411
BrandBradstone

Extended Product Information

FAQs

Are these slabs suitable for driveways?

These are primarily designed for utility areas, pathways, and shed bases. They are not recommended for heavy vehicle use.

Can I cut these slabs to fit small spaces?

Yes, you can cut these slabs using an angle grinder fitted with a diamond blade suitable for concrete.

How should I calculate if I need more than one pack?

Calculate your total area in square metres and divide by 12.15, rounding up to the nearest whole pack to account for cutting waste.

What is the weight of an individual slab?

Each slab is substantial and durable; please handle with care, preferably using two people or mechanical lifting aids.

Can I lay these directly onto grass?

No, you must prepare a proper sub-base to ensure the longevity of the slabs and prevent uneven settling or drainage issues.

Troubleshooting

Slabs appear wobbly after laying

The sub-base may not be level or sufficiently compacted. Lift the slab and add or remove bedding material before re-seating.

Surface discoloration or dirt accumulation

Use a stiff-bristle broom and mild detergent to scrub the texture, followed by a thorough rinse with clean water.

Joint mortar cracking over time

Inspect for movement under the slab. If the slab has settled, it may need to be re-bedded and the mortar joint replaced.

Pros and Cons

Pros

  • High-durability concrete build
  • Cost-effective paving solution
  • Traditional, timeless weathered appearance
  • Large pack size covers 12.15 square metres
  • Ideal for functional areas like shed bases

Cons

  • Textured surface can trap debris more than smooth slabs
  • Heavyweight units require physical effort to install
  • Requires proper base preparation for long-term stability
  • Limited aesthetic options compared to decorative paving

Setup, Compatibility & Care

For optimal results, clear the area of vegetation and excavate to the required depth. Lay a sub-base of 100-150 mm of compacted aggregate. Apply a 30-50 mm bed of mortar or sharp sand to lay the slabs, ensuring a 5-10 mm joint gap between each unit for expansion. Use a rubber mallet to tap slabs into place, checking levels regularly. Once laid, point the joints with a suitable exterior mortar. To care for your slabs, sweep regularly to prevent dirt buildup in the riven surface, and use a pressure washer on a low-to-medium setting if deep cleaning is required.

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