The original nVent ERICO Cadweld exothermic welding system.
Invented in 1938. Patented in 1939. nVent ERICO Cadweld has been making connections easier for installers from the beginning and leading the industry in quality, performance and innovation ever since.
For contractors and engineers, we put everything you need to know about Cadweld in one place. How to specify, how to install, how to select a mold and stay up-to-date on all things Cadweld.
- Product innovations
- Tips and tricks
- Specifications
- Featured products
- And more!
In 2020, nVent ERICO continues to innovate with an unwavering commitment to safe, adaptable, easy-to-use products. The nVent ERICO Cadweld Plus Impulse Exothermic Welding Control Unit incorporates new features designed to accommodate multiple power sources and improve safety.
Your nVent ERICO Cadweld Toolkit:
From basic installation to certifications, we've got you covered from the ground up.
Cadweld for Engineers
Learn why exothermic connections are the right choice for grounding connections, see the robust list of Cadweld certifications and download specifications for your next project here.
Cadweld for Contractors
Learn the basics of safety and how to install with Cadweld 101, use the selection tool to choose the right mold for your needs and watch our library of Cadweld videos here.
Featured Products
Stay up to date with the latest innovations in nVent ERICO Cadweld. Learn more about our featured products here.
From invention to innovation: learn about the legacy of nVent ERICO Cadweld.
Inventing Cadweld was just the beginning. See historical documents, photos, and learn about our Cadweld innovations, many applications and the continuous improvement of the industry standard for exothermic welding systems.
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