What is a laminator machine and what do they do? Laminators are machines that use heat and pressure to seal a plastic film to a paper or other material. A laminator machine is an office appliance that is used to seal materials such as paper, plastic sheets, fabric, or photographs. These materials are often used as artwork, posters, signs, business cards and more. Laminating machines have been around for decades and have been an essential tool in the office environment ever since. What are the different types of a laminator machine? Laminators are used to laminate different types of materials. Thermal lamination is a process that uses heat and pressure to seal plastic film to a document. Vacuum lamination is a process that uses heat and suction, without any pressure, to seal plastic film to a document. What are the Advantages of Owning a Laminator Machine? One of the advantages of owning a laminator machine is that you can laminate all sorts of materials.