Interalu climate ceilings: energy efficient, very flexible and maintenance free. Climate ceilings from Interalu are known for their excellent price-quality ratio. Interalu has been a fixture on the market for more than four decades. With a lot of attention for customer focus, innovation and sustainability. Interalu produces with its own green electricity, makes maximum use of environmentally friendly production techniques and only uses recyclable packaging film. In addition to its headquarters in Antwerp (Wilrijk), the Belgian family business has branches in the Netherlands, France and Luxembourg.