Gaffers Tape, also know as gaff tape or gaffa tape is typically a cotton cloth tape with a matte finish.  The primary difference between gaffers tape and duct tape is that gaffers tape is designed to leave no residue behind.  I normally uses a synthetic adhesive, but can also use a natural rubber adhesive.

A matte finish is generally preferred on stage as it has the lowest reflective properties.  A lower cost low gloss finish is also available.  Gaffers tape has a variety of uses including floor marking for actor placement, securing cables to the stage floor, waterproofing film cannisters, labeling, temperarily securing props or lighting, securing dance floors, etc.

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Gaffers tape received its name from “The Gaffer”, who is generally the chief lighting technician on a movie set.