Interalu climate ceilings: energy-efficient, highly flexible and maintenance-free. Interalu climate ceilings are known for their excellent value for money. For more than four decades, Interalu has been a fixture on the market. With a strong focus on customer orientation, innovation and sustainability. Interalu produces with its own green energy, makes maximum use of environmentally friendly production techniques and uses only recyclable packaging film. Besides its headquarters in Antwerp (Wilrijk), the Belgian family company has branches in the Netherlands, France and Luxembourg.