Two different reflections and roughness in a single material (coating)

[anonymous_user_89850c39]

As well as is done in some offline engines like Thea Render you can add a coating layer over your material and it will add a second reflection layer.

Ie imagine a very rough surface like 0.7 roughness with a shinny coating like 0.1 roughtness, mixing that in ue4 you’ll get a 0.4 roughness not the effect of both combined

Reference from Thea for SketchUp

[jonimake]

Doesn’t the clear coat shading model do exactly this? Shading Models | Unreal Engine Documentation