If at all possible the experience with the weld would be the steel or backing aspect of the joint. The backing aspect or steel facet is welded 1st using the smaller diameter electrode for the root move to insure total penetration. Quite a few methods are used to bond the https://social.studentb.eu/post/355592_pac-clad-coping-provides-a-durable-and-aesthetically-pleasing-finish-for-roof-ed.html