Description Blacktak Light Mask Foil is a Black Aluminum Foil product. With the addition of a high temperature adhesive on one side. Blacktak leaves no sticky residue behind when the foil is removed. Used in places where lighting control is needed as well as temperature being a concern. Being a Foil product, it’s completely malleable to uneven surfaces. Brought to you by the folks at City Theatrical! 2″ wide x 25 yards long, with a paper backing. Related