Some minor cracking and movement will occur in a significant proportion of buildings, particularly those on reactive clays. Generally, the remedial action for such damage should start with an investigation to establish the cause of the damage. Based on the findings of our investigation general treatments consist of stabilising moisture conditions by physical barriers or paths or replenishing moisture in dry foundations.
This can be followed by repair of the masonry and wherever possible added articulation should be included while repairs are being effected. Structural repairs to the footing system such as deep underpinning is generally only considered as the last resort.