Zippered dust barrier for a commercial doorway, keeping a work area sealed while still giving access through the door. The 5 x 8.5 ft (1.5 x 2.6 m) panel fits a commercial door opening up to 4.5 x 8 ft (1.4 x 2.4 m), in 4 mil flame retardant plastic sheeting with the zip already fitted. Kit includes the panel, one roll of 1 in x 24 ft (25 mm x 7.3 m) double-sided tape and two flap hooks. ZipWall ZDC.