Vac.U.Forming the roof and windows went well enough ( imo ) to proceed. If it should still fall apart somewhere in the process? Then I can still do another. I laid adheasive foil on the roof area as a base. The two fold idea was that it would be easier to achieve opaqueness of a white decal over something beside clear plastic. And that if I can cut the decals a thread width shy of the foil. It would make great trim mold. The latter has proved to be truer than the first. So I still have to add at least one more layer of white decal to the roof area to try and get it closer to the same shade of white as the body. I haven't MICRO-SOL'd the roof decal yet.