TW Aggregates - 20mm Ballast Maxi Bag - 25KG

Best current price£16.40from B&Q
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B&Q£16.40Visit shop - Tw Aggregates20mm Ballast Maxi Bag 25Kg
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Best current price£16.40from B&Q
Shopping.co.uk recommended and popular offers
B&Q£16.40Visit shop - Tw Aggregates20mm Ballast Maxi Bag 25Kg
Visit shop2 offers from £16.40
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The TW Aggregates 20mm Ballast is designed for contractors and DIY enthusiasts who need a reliable, pre-mixed aggregate for structural applications like foundations and path building. Its primary benefit is the convenience of a 25kg bag, which allows for precise material management on smaller projects without the hassle of handling a full bulk load. However, users should be aware that as a natural quarried product, there may be slight inconsistencies in color, texture, or stone size across different purchase batches.
| Model Part Number | 1414477 |
|---|---|
| Brand | B&Q |
While it can be used for structural landscaping, the 20mm stone and sand mix is primarily intended for mixing concrete, not for decorative surface coverings.
The ballast is pre-blended at a factory-standard ratio intended for general construction concrete.
Coverage depends on your project dimensions. We recommend calculating the cubic meter volume of your hole or base and checking a concrete calculator for volume requirements.
Once mixed into concrete and fully cured, the material is inert and safe for garden applications.
Because this is a natural quarried product, slight variations in color and texture can occur between different batches.
Add small, measured amounts of additional ballast and cement mix until the desired consistency is achieved.
This typically occurs if the bag was exposed to moisture during storage. Break apart smaller lumps with a shovel, but if the product is rock-hard, it may be unusable.
Before starting, ensure your work area is cleared of debris. To use, empty the bag onto a clean mixing board or into a concrete mixer. Add cement, dry-mix thoroughly, and then gradually introduce clean water until the desired consistency is achieved. Since this is a natural, stone-based product, store the bags in a dry location to prevent moisture absorption through the bag, which can make the product heavier and more difficult to mix. Always wear appropriate safety gear, including gloves and a dust mask, when handling dry aggregates.