The new ZipDoor™ kit is a great way to create a dust barrier when all you need to seal is the doorway.  One person can install it in under a minute.  Hugh timesaver.  The commerical ZipDoor™ is Flame Retardant.  Two heavy duty zippers are pre-installed. Includes ZipWall double-sided tape that can be easily repositioned  for up to an hour.   Complies with EPA RRP compliance for covered doorway.