What Are Scalpings Used for?

What are scalpings used for? Scalpings are granular fill used for sub-bases as a formation layer under roads, drives, concrete slabs and patio areas. They can also be used on lanes, and are especially effective in areas where pot-holes are problematic.

 

What Are Scalpings Consist of?

An aggregate produced by a cold milling machine. The machine is used to remove the surface layer of a tarmaced area such as a highway or footpath. The resulting waste is loaded into a lorry and is officially known as road planings although many refer to them as road scalpings or road scrapings.

 

Road Scalpings or Road Scalpings

Road Planings are not suitable as backfill for drainage trenches due to the high fines content and care must be taken when sourcing them as older tarmac surfaces which have been deep planed may contain tars. The use of road planings is generally considered environmentally sound as Bitumen is a natural substance. Using them also reduces pressure on quarried aggregate stocks. Unfortunately the days of being able to obtain road scalpings for free have gone as the pressure of the recession on local authorites has resulted in very little resurfacing work being carried out and greater emphasis being placed on recycling planings into new tarmac.

 

What Are Scalpings?

Scalpings are essentially quarry waste. They are clay contaminated stones that are removed during a screening process that ensures the quality of larger rocks at the quarry. Whilst the concept of ‘quarry waste’ may not sound ideal, scalpings are actually the perfect material for evening out the foundations of a project and make a fantastic sub-base material.

 

 

 

What Are Scalpings Used For?

Scalpings are, correctly, the off-cuts or shards created by dressing stone for building work, ie, a quarry waste. They are not as common as they once were. The main use of scalpings nowadays is as a medium quality fill or sub-base material used in the construction of access paths, car parks, driveways or other light-use applications where other materials are unavailable or uneconomic.

 

What Are Scalpings Sizes?

Scalpings are available in a range of sizes, including 40mm, 75mm and 100mm. The size of scalpings refers to the size of the holes in the sieve when they are separated from larger rocks at the quarry. The most popular choice is 40mm scalpings as this is the size that can be applied to the majority of projects, both commercial and residential.

 

 

Whether you’re organizing a residential driveway project or are planning a larger commercial build, scalpings provide the ideal sub-base to fill uneven surfaces and leave you with the ideal foundation that will offer high quality results.

 

How many Scalpings do you need?

The amount of scalpings you’ll need is dependent on the size of your project. On average, 1 tonne of scalpings will cover 11.4m2 at 50mm thick.

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Sources

www.mbwilkes.com/news/introduction-to-scalpings-sub-base.html

www.pavingexpert.com/aggs01

www.mainlandaggregates.co.uk/road-planings-scalpings.html