
Why elevator shaft waterproofing matters
Water ingress can damage elevator equipment and create hazards for passengers and maintenance personnel. Suitable waterproofing and building drainage help limit exposure to moisture, but they do not replace maintenance, inspections or electrical protection.
Problems associated with water ingress
Depending on the location and extent of exposure, water may affect electrical contacts, wiring, inspection controls and other equipment. Moisture can contribute to corrosion of rails and metal components. Standing water also makes access to the pit hazardous. The condition of affected equipment must be assessed by qualified personnel.
What building management should do
Report leaks or flooding to the elevator maintenance provider and arrange an assessment of the source with an appropriate building specialist. Keep people away from affected equipment. Do not enter the shaft, touch wet electrical equipment or attempt to restore operation yourself. After water exposure, the elevator should return to service only when the responsible professionals have confirmed that it is suitable for use.
Responsibilities and project coordination
Waterproofing work requires coordination between the building owner or management, construction specialists and the elevator provider. The allocation of work, cost and liability depends on applicable law, the contract and the cause of the problem. It is inaccurate to state that every water-related malfunction is automatically outside the elevator company’s responsibility.
What waterproofing can and cannot achieve
Properly designed and maintained waterproofing can reduce water-related damage and support equipment reliability. It cannot eliminate every short-circuit risk, guarantee a successful inspection or guarantee the safety of the entire elevator system. The waterproofing solution should be assessed together with drainage, equipment condition and maintenance arrangements.
Sanel Elevator and your project
Contact Sanel Elevator to discuss the elevator-related requirements of your installation or modernization project and coordinate them with the building works. The applicable technical requirements should be established for the specific equipment and project.
Further guidance on water exposure: KONE guidance for elevators during storms and flooding.


