Our bulk bag of 20mm Ballast contains a mix of sand and 20mm stone and it is exceptionally versatile, suitable for both domestic and commercial use. Perfect for fence posts and making concrete for paths, bases for garden buildings, concrete floors in extensions or even foundations. The 20mm Ballast can also be used to provide an even sub-base for concrete projects such as patio areas, garden shed bases and driveways. The Ballast can also be used in construction projects to fill in any holes or cavities. The 20mm Ballast is easy to use and simple and quick to mix making it ideal for homeowners. Also Supplied in midi bags which allows you to easily move the Ballast around your garden or on site.
You may require Cement if you’re mixing concrete.