British Lime Association (BLA) part of the Mineral Products Association (MPA)


british lime association



March 2011

New standards for lime

The European standard for “Building Lime” BS EN 459-1 : 2010 has been revised and is now available to purchase from British Standards Institute.  The revised standard covers the use of lime in many building applications, but in the new revision the scope has now been extended to cover Civil Engineering and Soil Stabilisation.

BS EN459-1 allows the user and customer to specify the chemical and physical characteristics of the lime product for any given project, which in turn verifies the consistent quality of the product used.

The standard covers quicklimes, hydrated limes, hydraulic and dolomitic limes used in construction applications, including:

  • preparation of binder for mortar (for example for blockwork, masonry, rendering and plastering);
  • production of other construction products (for example calcium silicate bricks, autoclaved aerated concrete blocks, lime concrete, etc.);
  • civil engineering applications (for example earthworks, soil treatment, asphalt mixtures, etc.).

In civil engineering and soil stabilisation, binder quality and consistency forms an integral part of the overall performance guarantee between contractors and their customer.  When used together with confirmation of compliance to Britpave “Soil Stabilisation – Guidelines for Best Practice” (BP/47), this can give the customer more confidence of a successful project outcome.

Stabilisation and earthwork contractors and their customers can check for compliance of the quicklime or hydrated lime binder by asking their supplier for proof of CE registration.

To obtain a copy of the revised BS EN 459 -1 : 2010 standard, contact British Standards Institute via their website


Notes to Editors

The BLA is a constituent body of the Mineral Products Association (MPA), which is the trade association for the aggregates, asphalt, cement, concrete, lime, mortar and silica sand industries. The BLA represents the interests of three member companies, responsible for producing 75% of the lime sold in the UK. The BLA members are Lhoist UK, Singleton Birch Ltd and Tarmac.

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