Symbol of Laubeuf technicality and illustration of our will to innovate, concept VDI (canopies with integral drainage), knows a permanent evolution which results in many systems such as: VDI vec, VDI block, fastened VDI, rotulé VDI... If Laubeuf is characterized by its direction of the innovation, it is because, we seek new solutions permanently to be offered to the originators. Systems VDI, are marks and patents deposited