Pergola NYFAN Sky Bridge is a movable ceiling system made up of aluminum and PVC fabric for outdoor protection. It provides sun, wind, rain and partial snow protection. It can be hanged by using inox, galvanized or aluminum round beams. The hanging beams can be diagonal, straight or a combination of the two. Properly Installed and with the correct inclination, it can stand wind forces up to 11 Beaufort.