Description alucobond panels in nairobi, kenya aluminium composite panels (acp), made of aluminium composite material (acm), are flat panels consisting of two thin coil-coated aluminium sheets bonded to a non-aluminium core. acps are frequently used for external cladding or facades of buildings, insulation, and signage alucobond is mainly used for external and internal architectural cladding or partitions, false ceilings, signage, machine coverings, container construction, etc. applications of acp are not limited to external building cladding, but can also be used in any form of cladding such as partitions, false ceilings, etc. acp is also widely used within the signage industry as an alternative to heavier, more expensive substrates.