Vray Dirt Invert Normal Problem

[1=2]

Hi, trying to render an old scene with latest Vray 3.40.03. The problem appeared once using Railclone tool for standing seam roof. All geomtry done with railclone causes problems, with invert normal ticked in Vray.
Light cache is fine, but final render is totally off.

[Svetlozar Draganov]

Can you show us some examples(including a sample scene) with and without Inverted Normal?
Does the same issue occurs if you convert Railclone to regular geometry?