MOT Type 1 Sub Base - 50Kg

MOT Type 1 Sub Base in 25kg bags, supplied as a pack of 2 for a total weight of approximately 50kg...

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B&Q - Mot Type 1 Sub Base 25Kg Bag Pack Of 250Kg TotalCrushed Aggregate For Driveways Patios Paths Paving
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£29.99
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The RangeMOT Type 1 Sub Base 25kg Bag Pack of 5 - Neutral
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Product Information

Full details

The B&Q MOT Type 1 Sub Base is designed for DIY enthusiasts and professionals seeking a reliable, high-performance foundation for driveways, patios, and garden paths. This crushed aggregate provides a stable, compactable base that ensures long-term structural integrity for paving or groundwork projects. While the 50kg total weight distributed across two manageable 25kg bags simplifies transportation and installation in restricted spaces, users should be aware that the natural composition of the aggregate may lead to slight variations in color and grading between batches.

All features

Model Part Number1386452
BrandB&Q

Extended Product Information

FAQs

What does MOT Type 1 mean?

MOT Type 1 refers to a specific granular sub-base material that meets Ministry of Transport requirements for road construction, ensuring it compacts effectively for structural stability.

How much area will 50kg cover?

Coverage depends on the depth required, but generally, 50kg will provide a base for a very small patch or localized repair project.

Do I need a compactor?

Yes, for structural applications like driveways or paths, using a plate compactor is essential to ensure the base is solid and will not sink later.

Can this be used for garden paths?

Absolutely, it is an excellent material for creating a solid foundation under gravel or paved garden paths.

Does the color vary significantly?

As a natural product, some variation in the stone color and grading is expected, though this does not affect its performance as a sub-base.

Can this be used as a top layer?

No, this is a sub-base material. It is designed to be covered by paving, concrete, or other final surfacing materials.

Troubleshooting

Base layer feels soft after compaction

Ensure the sub-base is laid in thin layers (max 100mm) and that a vibrating plate compactor is used for each layer rather than just hand tamping.

Visible color differences between bags

Mix the contents of different bags during the application process to blend any natural aesthetic variations.

Pros and Cons

Pros

  • Easy to transport and handle due to 25kg bag weight
  • Excellent compaction properties for a solid foundation
  • Ideal for small-scale site repairs or restricted access
  • Reliable support for various surfacing materials

Cons

  • Natural variation in stone color and grading
  • Requires mechanical or manual compaction tools for best results
  • Not intended for large-scale bulk groundwork projects
  • Limited coverage compared to loose bulk bags

Setup, Compatibility & Care

To ensure the longevity of your project, always ensure the ground is properly prepared and free of soft organic material before applying the sub-base. The product is compatible with most standard paving types. Since the material is natural, moisture levels within the bag may vary, which can influence how quickly it sets under compaction. For maintenance, keep the surrounding area well-drained to prevent the sub-base from becoming waterlogged over time, which can compromise the integrity of the paving above.

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