We can take care of part or the whole process from start to finish of you would like, from Technical Consultation, Quotation, Manufacture, Installation and Aftercare.

Download Procter Cast Stone Free literature including product and service brochures; case studies to show different applications and cast stone from Procter’s vast experiences.

Cast Stone Keystones

We manufacture keys stones to compliment all our standard heads. Keystones can be integrated into the window head or supplied on its own. In certain instances keystones can be manufactured in a thinner profile and fixed to the front face this is especially useful on renovation projects.

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A keystone is also a popular feature that can finish arches around windows and entrances.

As with all our products we are experts in creating beautiful cast stone products from bespoke designs provided by architects and alike.

Keystones are a popular architectural feature that can greatly enhance a building’s façade and create a stunning focal point.

You may also be interested in window heads, cills and heads & lintels.

  • Our cast stone products exceed BS:1217 standards
  • Available in 6 colours
  • Bespoke or matched colours upon request
  • Bespoke designs
  • All products manufactured using the very latest vapour curing technology
  • Choose from an extensive catalogue of standard designs
  • In-house installation service available for certain products/projects

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Technical consultation


Installation services