HJ3 Composite Technologies LLC

HJ3 Composite Technologies provides the most comprehensive line of strengthening products in the world for fortifying and protecting structures against earthquakes, blasts, and environmental damage, at a fraction of the cost of replacement. 

Over the last 10 years, we have become the leading provider of carbon fiber repair systems to heavy industry, supporting Fortune 500 companies operating in pulp and paper, oil, gas, water and wastewater, mining, and power generation. 

Not only are our products 40%-50% stronger than competitors per ply, they are designed to withstand high temperatures, abrasion, and aggressive chemical environments.  

HJ3 has completed over 20 years of largescale testing to support the use of our products for concrete, steel, wood and masonry applications. 

We are proud to service clients around the globe and look forward to the opportunity to support your infrastructure application.