Building Materials and Construction Components Design Signa Brick cladding system by Vandersanden Group A self-created brick pattern on weather-resistant Rockpanel®. Signa gives a whole new dimension to brick. It is an innovative facade cladding system that offers the architect many possibilities for exclusive projects, high-rise buildings or other architectural projects. The architect can do his or her own thing with expressive facades that fully highlight the character of brick. While at the same time opting for a fast result. A robust or elegantly discontinuous full-relief facade? Vertical, horizontal or diagonal? It is conceivable and quickly achievable, thanks to Signa.