For over 200 years, Calder Lead has stood as a pillar of British manufacturing.
As one of the oldest and largest producers of lead products, we have relentlessly expanded our expertise to meet the needs of critical sectors all over the globe. We are immensely proud of our British heritage, which dates back to 1799 when the UK’s oldest shot tower was built right here in Chester.
From the crafting of lead products for buildings to the precise engineering of components for the nuclear, healthcare, industrial and defence sectors, Calder Lead has become synonymous with reliability and innovation, making us the trusted choice for industries where precision and safety are non-negotiable.
Sustainably sourced
All Calder products use only 100% recycled, locally sourced lead, ensuring that no waste material ever makes it to landfill.
Premium materials
Our milled lead surpasses industry standards for durability and performance, offering superior results compared to cast alternatives.
Unrivalled expertise
With over 250 years of manufacturing excellence behind us, we are the global leader in precision-engineered lead products.
End-To-End support
From optimising designs to solving complex engineering challenges, we work with you to achieve results that always exceed expectations.
A partner you can rely on
Calder has built its reputation by supporting the most critical industries:
- Nuclear
- Healthcare
- Industrial
- Defence
- Building
Calder has the resources, experience, and technical expertise to develop and manufacture an array of standard and custom lead nuclear radiation shielding solutions.
Working closely with our customers, our team are ideally placed to deliver the right solutions for the application in the most cost-effective way.
Our Nuclear productsCalder Healthcare is the leading designer, manufacturer and installer of radiation and x-ray shielding solutions for the UK’s healthcare sector.
No other UK organisation can offer the same comprehensive level of service or technical expertise.
Our Healthcare productsFor more than 250 years Calder Industrial has been working with lead.
In that time we have cast, filled, milled, machined, extruded, cold forged and fabricated millions of tonnes of lead.
Our Industrial productsFor more than 220 years Calder has been a supplier into the UK’s defence sector.
Originally supplying lead shot used in the Napoleonic wars, to the manufacture and supply today of high-precision and quality critical munitions components.
Our Defence productsWith over 250 years’ experience, Calder Lead provides a wide range of pre-prepared and custom built lead products.
We’re so confident of lead’s longevity that we offer a 50-year guarantee on all of our rolled lead sheets.
Our Building productsWho we work with
Why choose Calder?
From the moment a project begins, we work closely with our partners to understand their unique challenges and needs. Whether optimising designs, reducing costs, or ensuring compliance with the strictest industry standards, we bring centuries of technical expertise and problem-solving ability to every project.
Trusted by global leaders across nuclear, healthcare, industrial, defence, and building sectors, we’ve built a reputation for delivering solutions that exceed expectations. When precision, quality, and collaboration matter most, Calder Lead is the name clients return to, time and time again.