Calder Logo

Calder Industrial Materials Ltd is one of the UK’s leading building materials suppliers, delivering lead sheet and a wide range of ancillary products to builders merchants nationwide. It is also the UK’s leading specialist in lead engineering.  It designs, manufactures and installs radiation shielding and other products in the nuclear, medical and other markets.

Engineering excellence

  • Production of lead sheet to EN12588 in a world class manufacturing environment.
  • Complete lead engineering process capability
  • Integrated CAD design and CNC machining facilities
  • Full service provider including design, fabrication, installation and project management
  • Quality systems to meet mission-critical customer requirements

  • Calder Group

    Core expertise

    • Production and distribution of lead sheet
    • Provision of radiation shielding products and solutions
    • Manufacture of lead products for diverse applications


    • ISO 9001
    • ISO 14001