The original nVent ERICO Cadweld exothermic welding system.
Find the mold you need with our Cadweld Selector Tool!
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.
nVent ERICO Cadweld For Engineers
Learn why exothermic connections are the right choice for grounding connections, see the robust list of nVent ERICO Cadweld certifications and download specifications for your next project here.
nVent ERICO Cadweld for Contractors
Learn the basics of safety and how to install with nVent ERICO Cadweld 101, use the selection tool to choose the right mold for your needs and watch our library of videos here.
Featured Products
Stay up to date with the latest innovations in nVent ERICO Cadweld. Learn more about our featured products here.
Our History
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 See historical documents, photos, and learn about our innovations, many applications and the continuous improvement of the industry standard for exothermic welding systems.
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Contact Us
Got questions? Need help choosing a mold? Can't find what you need? Our customer care and technical support teams are here to help.