Blue Slate Chippings - 40mm - 20kg - 30 Pack

Enhance your landscape with the sophisticated look of 40mm Blue Slate Chippings. These premium sla...

Best current price£262.80from B&Q

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B&Q - 40mm Blue Slate Chippings 20Kg Bag (X30 Bags)
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The Range40mm Blue Slate Chippings 20kg Bag (x30 Bags) - Blue
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HomebaseBlue Slate 40mm Chippings Bag 20kg 30 Pack
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Product Information

Full details

Ideal for homeowners and landscape designers, these 40mm Blue Slate Chippings offer a contemporary aesthetic with deep blue and grey hues that enhance any outdoor space. While they provide excellent texture and visual appeal, users should be aware that their natural composition leads to unavoidable color variations between batches.

All features

Model Part Number1422594
BrandUnbranded

Extended Product Information

FAQs

Are these chippings suitable for driveways?

While they can be used for light-duty residential areas, the 40mm size is generally better suited for pathways and decorative borders rather than heavy-traffic vehicle areas.

How much area will 30 bags cover?

Coverage depends on the desired depth; however, a standard application depth of 50mm typically covers approximately 10-12 square meters per tonne (50 bags). With 30 bags, expect to cover roughly 6-7 square meters.

Does the color fade over time?

As a natural stone, the slate maintains its color well, though environmental factors like moss or heavy mud accumulation may dull the appearance. Periodic washing restores the look.

Is the slate safe for ponds?

Yes, it is suitable for landscaping around water features, though it is recommended to rinse it thoroughly to ensure no silt enters the water.

Can I mix these with other stone sizes?

Yes, mixing sizes can create a layered, natural look, though keeping them separate often provides a cleaner, more contemporary finish.

Troubleshooting

The stones look grey or dusty upon arrival.

This is normal transit dust. Thoroughly wash the chippings with water once laid to reveal the deep blue color.

Weeds are growing through the chippings.

Ensure a high-quality weed-suppressant membrane is installed underneath the aggregate during the initial setup.

Pros and Cons

Pros

  • Sophisticated deep blue and grey appearance
  • Color depth improves when wet
  • Convenient 20kg bag sizes for easier handling
  • Provides a clean, contemporary garden texture
  • Versatile for paths, borders, and decorative landscaping

Cons

  • Natural variations in color and shape are expected
  • Requires washing before installation to remove transit dust
  • Large 40mm size may be less comfortable for heavy-traffic barefoot areas

Setup, Compatibility & Care

Before laying the chippings, ensure the ground is level and compacted. For optimal results, install a geotextile membrane to separate the aggregate from the soil, which prevents the slate from sinking over time and discourages weed growth.

Care Instructions:

  • Pre-Installation Wash: Always wash the slate thoroughly after spreading to remove natural stone dust; this reveals the true, vibrant color of the product.
  • Maintenance: Occasionally rake the chippings to redistribute them evenly, as natural movement can occur over time.
  • Cleaning: Simply rinse with a hose to remove debris or dust, which will also refresh the deep blue tone of the stone.

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