Ive found that using por15 metal ready makes the epoxy adhere far better, as its basically etching the metal.
I've never had a problem with Lechler Epoxy adhering but mine always goes on media blasted panels or sanded panels, I've never had it come off anywhere.
well my plan is still to use the 2k epoxy, after the base of the car has been wire brushed i will roughen the surface with sand paper,with regards to this
Lechler Epoxy i cannot find anywhere in ireland to source this but seen as im working in london all the time im wondering where can i get it over here?