I am going to mount an antenna bracket on a building that has corrugated sheet metal like this. The metal is currently screwed into some kind of "metal stud" with screws according to picture no. 2. Additionally, shorter screws have been used at times to hold together the large sheets where there is no metal stud behind (picture 3).
Unclear how thick the metal stud is, maybe just thin sheet metal that is 1.5 mm thick, a bit hard to see. It's also unclear if all the holes were pre-drilled during the installation, as the sheet metal screws used don't seem to be self-drilling.
The question is, what would you use to mount things on the facade? I am thinking of fastening vertical wooden battens in the gaps of the metal to then attach my antenna bracket and a small roof over the antenna to these wooden strips.
