Welcome to Chas. Long & Son (Aggregates) Ltd.
Our Products: 20mm Gravel
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 Gravel
Description:
20mm Gravel is a versatile and durable aggregate used in construction, drainage, and landscaping. It consists of crushed or naturally rounded stones, offering excellent drainage properties and a stable surface for various applications.
How it's sold (Bulk Bags, Mini Bags, Loose):
Bulk Bags, Mini Bags, Loose
Types of application:
Drainage systems – Ideal for soakaways, French drains, and pipe bedding, Driveways and pathways – Provides a stable, decorative surface, Concrete production – Used in strong, durable concrete mixes, Landscaping – Perfect for garden borders, rockeries, and decorative features, Aquariums and ponds – Used as a base layer for aquatic environments
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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