Changi Airport Terminal 4

The 200,000 sq. metre Terminal 4 features 21 passenger gates, a 23-meter tall central atrium, 42 retail shops, and 18 beverage and dining options. The T4 terminal is designed to accommodate up to 16 million passengers annually. There are over 4,000 linear metres of interior and exterior expansion joint systems, used including a custom serrated Series 432 floor joint system, a custom J55 floor joint system and a 300 Series wall system.