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Aggregate Calculator

Aggregate Calculator

How much do I need?

The amount of aggregate you require is governed by the area you wish to cover, to what depth and the type of material you wish to use.

Cloburn single size chippings

Un-compacted Cloburn aggregates weigh 1.4 tonnes per cubic metre. Therefore if you wish to apply them at a 50mm depth (the normal depth for a driveway) one tonne will cover 14 square metres. For pedestrian pathways 35mm is normally sufficient in which case 1 tonne will be sufficient to cover approximately 20 square metres.

Cloburn Firechip

Firechip is a 10mm graded product which is designed to be compacted. This can either be done with a roller or it will compact naturally over time under traffic. Compacted Firechip weighs 2 tonnes per cubic metre. The minimum recommended depth for vehicle traffic is 75mm which means that 1 tonne will cover 7 square metres. For pedestrian traffic 50mm deep is sufficient allowing 1 tonne to cover 10 square metres.

Calculate How Much You Need

Please enter dimension values and click Submit