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B&Q£19.99Visit shop - Cold Lay Macadam 20Kg BagSingle Trade-Friendly Bag For PotholeDriveway And Path Repairs
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The Range£79.99Visit shop Cold Lay Macadam 20kg Bag Pack of 5 - Red
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B&Q Cold Lay Macadam is designed for homeowners and contractors needing a durable, convenient solution for small-scale asphalt repairs such as potholes, driveway cracks, and path maintenance. Its primary benefit is its cold-lay formula, which requires no heating or specialized melting equipment, allowing for immediate application straight from the bag. However, users should note that because it is a cold-cure material, it requires thorough compaction and may take longer to fully harden than hot-laid commercial alternatives.
| Model Part Number | 1386453 |
|---|---|
| Brand | B&Q |
For most pothole repairs, a thorough cleaning of the area is sufficient, though professional repairs often benefit from a tack coat if applying to a very smooth surface.
No, this product is specifically designed for small repairs, patches, and pothole filling. It is not suitable for resurfacing entire driveways.
While it can be walked on shortly after compaction, it will continue to harden over several days depending on ambient temperatures and traffic load.
It is highly recommended to apply only on dry, clean surfaces to ensure proper adhesion.
Coverage depends on the depth of the repair, but a single 20kg bag will typically cover approximately 0.5 square meters at a 20mm thickness.
Store bags in a warmer location for a few hours before application to soften the bitumen.
The material was likely not compacted enough; apply more material and use a heavier tamper to ensure proper density.
Ensure the area was cleaned of all dust and loose grit before application to allow for proper adhesion.
Before starting, ensure the weather is dry as excess moisture can hinder the binding process. To prepare, outline the area to be repaired and ensure the edges are straight and stable. When storing the bags, keep them in a cool, dry place away from direct sunlight to prevent the bitumen from softening inside the packaging. If the macadam feels stiff in cold temperatures, keeping the bags in a warmer area for a few hours before use can make the material more pliable and easier to spread.
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