Welcome to Chas. Long & Son (Aggregates) Ltd.
Our Products: 20mm Ballast
Unsure how much product you need?
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Use our Aggregate Calculator
Aggregate Calculator
This calculator will help you to work out how much stone product you need for your project.
To calculate how much aggregate you need to order, simply enter the dimensions of the area you are filling/covering. Different aggregates have different densities, so please make sure you have chosen the correct aggregate type. You can use imperial, metric or a combination of both by using the drop down boxes.
Please note that the calculator is a guide only.
The exact conversion will depend on a number of factors beyond our control, for example moisture, method and degree of compaction, type of sub–base, etc. We cannot be held contractually responsible for any surplus or shortfall found on site.
Product name:
20mm Ballast
Description:
20mm ballast is a coarse aggregate mixture of sand and gravel up to 20mm in size, commonly used in construction for strong concrete production and foundational work. It provides excellent strength and stability, making it ideal for heavy-duty applications.
How it's sold (Bulk Bags, Mini Bags, Loose):
Bulk Bags, Mini Bags, Loose
Types of application:
Concrete mixing – Used in foundations, footings, and structural concrete, Sub-base layers – Provides stability for driveways, roads, and pathways, Drainage applications – Used in soakaways and other drainage solutions, General construction – Ideal for large-scale projects needing durable concrete
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© Chas. Long & Son Aggregates Ltd. 2026
Registered in England no. 4693623
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Call us:
01748 811359
Email us:
enquiries@chaslongaggregates.co.uk
Loose bulk loads: looseorders@chaslongaggregates.co.uk
Pre-packed orders: bagorders@chaslongaggregates.co.uk
Accounts: accounts@chaslongaggregates.co.uk