What causes walls to bow?

Bowing, leaning or bulging in external walls are a result of decreasing wall stability, these defects are often a symptom of:

•    Prolonged vibrations from heavy traffic or plant machinery
•    An increase in the floor loads (for example where additional floors have been added to an existing building)
•    The original walls being insufficiently thick in comparison to the building height
•    A lack of restraint between the external walls and the floor joists, beams and partitions
Continue reading »