Balustrades, the vertical support structures for railings and buildings, are the most common cause of safety hazards. Balcony railings and handrails are prone to giving way under pressure, due to lack of maintenance. Young children and elderly residents often rely on balustrades for safety and support, therefore severe injuries can occur if the supports are not maintained. Rusted or damaged balustrades and weakened concrete supports are the leading causes of defective balustrades.

Lack of waterproofing and poor tiling results in moisture penetrating the structure and causing concrete cancer in concrete structures. Balconies that become weakened from corroding reinforcements and concrete pose great danger to neighbouring residents or structures below. Poorly waterproofed balconies show significant signs of damage, which can include: