CRT owns the exclusive license for the FRP composite rebar patented technology designed by engineering professors from Oregon State University. CRT has designed and developed a modified pultrusion production process to manufacture the unique hollow composite rebar, and worked with a number of industry associations to promote the codified acceptance of FRP composites in the construction industry. The American Concrete Institute has now issued a Guide for the Design and Construction of Concrete Reinforced with FRP Bars. The Company performed significant
development work in the design of its product with Reichhold Chemicals, Inc., a major producer of resin materials.

The product consists of a hollow, load carrying, glass fiber reinforced resin core, overmolded with a corrosion, impact, and UV resistant carbon fiber reinforced outer shell which enhances durability of the rebar for construction purposes. CRT’s rebar is impervious to the effects of salt and concrete alkalinity (i.e. corrosion proof), has tensile strength greater than steel, is one quarter the weight of steel, is electromagetically neutral, and
can be made in larger diameters than solid FRP rebar due to the elimination of the non-efficient core. CRT is the only company positioned to develop larger diameter FRP rebar due to the product’s patented design. The hollow core allows the use of the rebar as conduit for a wide variety of applications, such as telephone, data, or fiber optic cable; instrumentation within a concrete structure; or heating and cooling.