[quote=jockbolter50 I personally would have no qualms about gluing some fittings to the roof assuming everything is prepared correctly.
I certainly don't understand the reluctance to rely on adhesive, excuse my blunt words but I see this as ignorance of the modern autobody adhesives. They've been holding late-model cars together for 10+ years, I think they can hold a radio up. [/quote]
I wouldn't say ignorance so much but possibly human nature?
It's easy to imagine the fusing of two metals with heat will create a much stronger join than adhesives alone.
Even though modern technology can create a chemical adhesive that will outperform the metal around it..i.e. the metal will fracture/fail before the bond.
I quite agree,bond the fittings to the roof,no fuss,no mess and no heat distortion issues from welding.