A building which covered by color coated steel sheets shall be inspected regularly.
- Remove any loose objects such as other metal articles or loose fittings from roofs and rainwater system as soon as installation is done.
- Carry out visual inspection at least once a year. A thorough inspection should be carried out every five years.
- Check for cleanliness of the roof. Any dirt or soil can increase corrosion risk.
- Check the condition of capping and flashing attached to the roof. Any damages to adhesion could cause leakages, decay, and risk of corrosion of the roof component.
- Rainwater system shall be clean every year. Remove tree branches, leaves or any possible blockages that will lead to sagging and clog.