It is a matter of design. It is a matter of constructing with pieces.
Overlaping the pieces, like scales, making a bridle joint, or making a continuous surface.
A) OVERLAP-SCALES. Joint in differents levels. The water direction.
Roof tiles (ceramic, concrete, stone, plastic, waterproof coating, glass,…)
Overlap distance
B) BRIDLE JOINT. Joint in the same level.
Instead of ovelaping the roof tiles, it can be done in the same level.
Bridle joints panels: one is hollowed out to receive the end of the other. (ceramic, concrete, stone, plastic, glass….)
C) CONTINUOUS Synthetic chemical materials with no ending, applied by brush, gunited or pumped.
D) SINGULAR ELEMENTS. Crosses
A)OVERLAP
Santiago de Compostela Cathedral
Ypenburg- MVRDV