An overlaminate, in its simplest term, is a transparent film used for graphic protection over other graphics such as floor, fleet, or outdoor graphics, writes Neal McChristy over at Wide-Format Imaging magazine.

“Overlaminates can not only lengthen print life in the sun by acting as a “print sunscreen,” but also have the capability to protect prints from humidity and the weather by sealing the print more securely. In floor graphic applications, overlaminates protect from scuffing and slip resistance. Specialty or performance overlaminates can also provide graffiti protection and easier cleaning, according to Jared Johnson, marketing manager, 3M Graphics Market Center.

“Overlaminates are generally required for digitally printed graphics for exterior applications,” said Johnson. “Most overlaminates have UV inhibitors in them to help extend the life of the graphic, and reduce fading of the inks. However, an overlaminate can only extend the life of the inks, so the ink formation is very important to the overall life of the graphic.”

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