20mm Ballast
Primary Aggregate
Description
20mm Ballast is a sand and gravel mix, usually comprised of sharp sand and 10/20mm shingle in equal measures. Ballast is mainly used in the production of concrete.
Uses & benefits
- Varied mix of sand and stone
- Can be used for a strong base in many projects, such as paving, bedding and making up levels
- Use with cement to create concrete