A cardboard laminator machine is a device used to coat or laminate the surface of cardboard with a protective layer, such as plastic film, paper, or other laminating materials. This process aims to improve the durability of the cardboard against moisture, dust, and physical damage, while also providing a neater and more professional finish. Cardboard laminator machines are commonly used in the packaging industry to reinforce cardboard boxes, product packaging, or to create more durable billboard materials from cardboard.

The machine operates by bonding the laminating layer to the surface of the cardboard using pressure and heat. Depending on the type of machine, it can laminate one or both sides of the cardboard in a single process. Some machines are also equipped with additional features such as automatic cutters or adjustable speed settings.