I was curious about (and couldnt find) a better way to import maps from substance painter to UE4. In UE4 it doesnt accept height maps, which I feel is the main reason this texture is feeling lackluster? Probably wrong. I have tried to use a lossless file format to import it, which helped a ton, but still am losing out on a…
How are you importing the maps now? Substance Painter has export presets for UE4 that convert your height info into normal info to be used in the engine.
Open up your masks texture in UE4 and set the compression to "Masks". That will switch to linear space which will give you a better visual result. It doesn't do this automatically unfortunately.