Sticky mat

A clean-looking laboratory room with a white mat across a doorway
A sticky mat in a lens manufacturing facility
A white mat on a floor extesively soiled with soot-colored footprints
A sticky mat in a nanomaterials production facility. Ideally, other engineering controls should lessen the amount of dust collecting on the floor and being tracked onto the sticky mat, unlike this example.

A sticky mat, also called a tacky mat or cleanroom mat, is a mat with an adhesive surface that is placed at the entrances or exits to certain workplaces to remove contaminants from the bottoms of footwear and wheeled carts such as hand trucks. They are an example of an engineering control within the hierarchy of hazard controls.

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