Telford Contracting Ltd

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Brown and White Rock Salt

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  • Posted date:
  • 08-01-2020
Brown and White Rock Salt

What is brown rock salt?

Brown rock salt is in the form of large granules and is most common in the UK. It is used to grit roads and paths and is spread by gritting machines when bad weather conditions are forecasted in the winter months, such as ice and snow to provide you with a safer and risk-free drive on the way to work.

It is brown in colour because of the impurities it contains but makes it useful when gritting because it's visible in the snow.

Brown Rock Salt

Brown rock salt is usually referred to as grit salt, as during the winter months it is spread by lorries onto the road surfaces to prevent slipping and skidding and to reduce dangerous driving.

Brown rock salt is found in salt mines across the UK, making it very easy to come by. It also means we have a constant unlimited supply. Because of this, the price is cheaper, making it a lot more cost-effective for big companies or ground workers who need to cover a really large space.

The brown colour is due to impurities that the rock salt contains, as it's just come straight from the mines without going through any further processes. The colour has its advantages and disadvantages.

Although you can see it on the snow, so gritters know where they have spread it, and drivers know where is has been spread, it also leaves a dirty looking residue which ruins the look of public places.

What is white rock salt?

White rock salt is in the form of large granules and is contains large granules and usually first choice to use in areas where cleanliness and hygiene are vital, and the residue isn't necessarily wanted, such as schools, car parks and hospitals. This is because it is the purer option out of all the products used for de-icing and residue is minimal.

The quality and delivery of salt spreading services and the rock salt product both benefit people in many different ways, which is why rock salt is essential to us.

White Rock Salt

White rock salt is much purer, as it goes through a drying process where most of the impurities are removed and contains a higher proportion of sodium chloride. White rock salt works better in colder conditions, as it decreases the freezing point of water and can generate heat.

White rock salt is definitely the more clean and hygienic option and doesn't leave any unwanted residue. A disadvantage to this is that because the rock salt is the same colour as the ice and snow, you can't see where you have applied it. It also dissolves quicker, meaning it can break through snow and ice more rapidly and easier.

White rock salt can be put on the road surfaces to prevent the ice and snow sticking to the ground.

Rather than from mines, white rock salt is formed through an evaporation process from the sea. Although there is a lot, this does mean that it's harder to get hold of, and furthermore making it expensive.

White rock salt is considered the more safer and environmentally friendly option, as it's better for plants, pets and children. This factor makes it more ideal to use at home.


If you require rock salt delivery in Aberdeen and North Scotland contact us today.