Often during assembly of cages it becomes necessary to couple two GRP bars. This operation, which must be performed in advance not only creates delays, but it makes the structure less rigid during lifting of the assembly.

In addition, the European standard EN-1538 2000 “execution of diaphragms walls, prohibits the use of bundle and imposes a minimum distances between the longitudinal reinforcement bars.

In such cases ATP can supply a single bar with oval section with same section area and resistance as the of two bars coupled.

the following table highlights some the available dimensions.