The Leadweight Company is a trading name of Calder Industrial Materials Limited.  Calder Industrial Materials is a member of Calder Group, Europe’s largest producer of lead sheet and lead-based technical products, with operating subsidiaries in Germany, France, Netherlands, Ireland and UK. Calder Industrial Materials provides high quality, tailored lead products for customers in the UK, Europe and worldwide.

We are one of the UK’s leading building materials suppliers, distributing lead sheet and ancillary products to builders merchants throughout the UK. We manufacture lead sheet to EN 12588 in a modern, world class manufacturing environment based in Chester and are the UK’s leading supplier of engineered products in lead, with a wide product portfolio and a diverse customer base including nuclear power, nuclear medicine, x-ray, electronics, transport, defence and other industries.

Why choose The Leadweight Company?

The Leadweight Company is a small, consumer based subsiduary supplying lead products to you at home or work.  Our products are manufactured at our Chester facility which offers you the benefit of buying directly from a manufacturer, not a re-seller.  Our capacity and buying power ensure that we can offer the most competitive pricing in the marketplace.

With over 250 years experience, Calder Industrial Materials is today the centre of a global business that leads the world in the manufacture of lead and engineered lead products.