Like most other architectural products an expansion joint system should be select based on the following:
A. Location of joint: Interior or Exterior
B. Where is the joint being installed: Floor Wall Ceiling Roof
C. Movement range (your structural or design engineer can provide this information): Thermal Seismic
D. Expected Loads (for floor joints only): Pedestrians Trolleys Vehicles Forklifts Skateboards Roller Blades Cleaning Machines Is the joint is subject to point loading? If unsure of loads, your structural or design engineer can provide this information.