It is a grid structure curtain wall systems designed to create a transparent and modern façade structure by using cover profiles on the exterior façade. The system allows the creation of architectural concepts thanks to a wide range of interior and exterior design features. There are many carrier profiles with condensate channels that can exceed different heights on the cladding façade. Horizontal recording seals for expansion in the horizontal and EPDM seals providing horizontal sealing across the horizontal recording. Semi-cover facade system is a grid structure curtain wall systems designed to create horizontal or vertical line effect by using cover and cover profiles only in horizontal or vertical.