About UKCSA

The inaugural meeting of the United Kingdom Cast Stone Association (UKCSA) was held on 20th February 1991, following discussions during late 1990 between the leading manufacturers of cast stone at the time. UKCSA was formed as an independent trade association to increase specifiers’ and contractors’ awareness and confidence in cast stone and to establish and maintain the highest standards of product quality and usage.

In February 2023 the Cast Stone Association celebrated its 32nd anniversary as the guardian of quality for cast stone, and has grown to become the first point of reference for all matters regarding cast stone. UKCSA is an ethically, socially and environmentally responsible trade association.

The Association represents the leading UK manufacturers of cast stone, and associated trades. All cast stone manufacturing Full Members, and Associate Members, must comply with the criteria established by the Association as a condition of membership.

UKCSA Standards & Technical Literature

UKCSA’s Standards and technical literature were launched in 1993 and are now in general use amongst architects and contractors when specifying and using cast stone. In the summer of 2000 the full UKCSA package of technical information, standards and specifications were updated into the UKCSA ‘Technical Manual for cast stone’. The latest upgraded and extended version of the UKCSA ‘Technical Manual for cast stone’ has been available since July 2021.

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CPD: ‘Back to The Future In Cast Stone’

UKCSA has also produced, and recently updated, a CPD presentation video for all construction professionals, and anyone else who would like to know more about cast stone entitled ‘Back to The Future In Cast Stone’.

It aims to provide you with a broad understanding of cast stone, the design context in which it is used, and a sound basis for specifying the material.

VIEW UKCSA CPD

UKCSA CPD: ‘Back to The Future In Cast Stone’

Technical Liaison

The UK Cast Stone Association was represented on the British Standards Institution committee that updated the British Standard for Cast Stone, BS 1217, in both 1997 and the current version BS 1217:2008. UKCSA were also involved in the five year review of the standard which lead to BS 1217 being reconfirmed as the current standard in 2018.

UKCSA have also been involved in a review and update of British Standards BS 5642 :Part 1, Sills, and :Part 2 Copings. At a meeting in January 2014, the BSI decided that the two parts of BS 5642 will state that Cast Stone sills, copings and cappings “shall be made in accordance with BS 1217”, and the Standards were confirmed and re-issued in February 2014. The Association also assisted National Building Specification in producing technical clauses F22 and H52 which are now also in general use throughout the industry. UKCSA is currently involved with the European Standards body CEN technical committee in a complete review of glassfibre reinforcing standards.

Research & Development

The UKCSA is committed to investing in independent research to constantly improve knowledge of cast stone and its performance and works with suppliers to ensure that a consistently high quality of material can be provided to the market. This commitment lead to the Cast Stone Association commissioning a two year research project, to be carried out in conjunction with the Concrete Technology Unit of the University of Dundee, to investigate the performance of cast stone. Many of the findings have been included in the UKCSA Standard, and the University confirmed that cast stone weathered in a similar way to natural stone when both were exposed to identical atmospheric conditions.

Web Site

The Association maintains this UKCSA web site which allows instant access to technical information by all sectors of the market. It is regularly updated and features recent projects showing the versatility and durability of cast stone.

In addition UKCSA has its own LinkedIn and Facebook pages, and YouTube video channel, and the cast stone industry has Twitter and Instagram pages, all of which we encourage you to follow to be immediately informed of any developments in the industry.

The UKCSA Standard

The UKCSA Standard is a high performance cast stone standard supported by rigorous testing and quality control. It’s the benchmark for cast stone quality and ensures the strongest cast stone available. All cast stone manufacturing Full Members must demonstrate their continuing adherence to the UKCSA Standard and UKCSA Operating Standard – Audit Document as a condition of membership. These requirement include the regular testing of cast stone and an annual declaration to the Association of full conformance with all of the UKCSA requirements.

To reinforce the requirements of the UKCSA Standard, the Association introduced the UKCSA Quality Mark Scheme and Quality Mark label. The UKCSA Quality Mark label will only be available on cast stone which has been purchased from an UKCSA Member. The inclusion of a Quality Mark label on cast stone is the UKCSA manufacturing member’s confirmation that the cast stone supplied complies with all of the UKCSA Standard and Quality Mark Scheme requirements.

Choosing the Right Supplier

Most cast stone manufacturers operate without adequate quality assurance or testing regimes and may not be working to the proper standards. For your peace of mind, specify cast stone from an UKCSA Full Member to guarantee you’re getting the best.

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