Expansion joints must be incorporated within large surfaces, at doorsills, and at transitions to walls and other restraining structures allow movement and thus reduce stress,prefabricated movement joint profiles eliminate the need forcaulking, protect tile edges, and prevent sound bridges and surface water penetration, resulting in a permanent, maintenance-freeinstallation.

The expansion profiles made of stainless steel oraluminium with appropriate PVC filling to absorb the movement, and are available in heights ranging from 1/8 Inch (3 mm) to

2 3/8 Inch (60mm)