It is cutting edge new material for loadbearing capacity improvement and seismic retrofit, and have very strong tensile strength than steel, and have been used for repair and reinforcement of concrete structure since 1990s. Specially quake-prone countries like Japan have used carbon fibers lately and largely.
High reinforcement with more than 10 times tensile strength than steel
Reinforcement with the less quantity than steel
Light weight : specific gravity is one-fifth of steel
No deterioration by external factors like water, base, acid or ultraviolet rays
Easy to work in small place because whole process by using hand