Due to the high temperature during welding, the zinc layer on both sides of the weld melts and evaporates. This affects the welding process such that, with respect to the welds, adjustments are necessary. For example, gray zinc oxide fumes are generated during the welding process, preventing visibility of the work. Furthermore, spatter occurs and the welding process becomes “agitated.” Pores may also form in the welding. The zinc vapor released is not only sickening (temporarily causing nausea when inhaled), it also hinders a good view of the weld. In the workshop, the use of a welding exhaust is definitely necessary. Should one have to work on the construction site in a hall or in the open air, one should ensure that there are good ventilation possibilities and that one has the wind at one’s back so that the zinc vapor moves away from you. Understandably, the amount of welding vapor increases the thicker the zinc layer and the greater the welding speed. Finally, direct welding to hot-dip galvanized steel can create more spatter as well as gas inclusions in the weld.