Raft, pile, pier and beam foundations

4.4.12Movement joints

Raft, pile, pier and beam foundations shall have movement joints suitable for their intended purpose, and be formed using appropriate materials.

Movement joints should be located so as to limit the risk of damage caused by movement. The design of movement joints and choice of sealing materials should consider:

  • anticipated movement
  • movement capability of seal
  • designed joint width
  • actual joint width
  • joint depth
  • surface preparation
  • backing medium
  • projected life span of the joint.