Seal any doorway in just a minute! Quickly cover a doorway to provide an airtight seal with this plastic zippered door. The door, made of 4 mil plastic sheeting, attaches to the doorframe with a special double-sided tape that protects the frame surface. Preinstalled heavy-duty zippers provide easy entry and exit. Flap hooks hold the door open for easy access. It fits a standard door up to 3′ x 7′. A commercial size kit is also available. A significant time saver on large jobs!