Alucobond

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The tiles of Spaceship Earth at Epcot, which are made out of Alucobond.

Alucobond is a light-weight composite material consisting of two pre-finished 0.02" (0.5mm) thick aluminium cover sheets heat-bonded (laminated) to a core made of polyethelene plastic.

Alucobond comes in 3mm, 4mm, and 6mm thicknesses (the aluminum sheets remain 0.02" thick), and can be curved, and bent to form corners. With certain techniques, it may be bent to have tight outside corners bent at 90-deg.

The 0.02" thick sheets of Aluminum are pre-finished, meaning they are pre-painted, with an extremely durable paint system called Kynar. This paint stands up to exterior weather for 20+ years without fading, chalking, or peeling. The color of the paint can be standard or custom, with virtually any color and finish being possible.

Alucobond panels also maintain an extremely flat surface due to the laminated construction of the material, thus reducing or eliminating oil-canning.