Concrete reinforcing unit

A concrete reinforcing unit adapted to be embedded in concrete for concrete construction, said concrete reinforcing unit comprising:

• (a) first parallel reinforcement elements;
• (b) second parallel reinforcement elements crossing said first parallel reinforcement elements at first crossing portions, each of said first reinforcement elements and said second reinforcement elements including at least one row of first textiles and a first resin matrix, made of a first resin, for bonding said first textiles thereof;
• and
• (c) attaching means for attaching said first reinforcement elements and said second reinforcement elements at corresponding first crossing portions to form a grid member having a peripheral portion, said attaching means comprising said first resin, said first and second reinforcing elements being impregnated with said first resin before attachment thereof.