Substance painter roughness not working It’s like this on all materials too, not just the metal one. For one of my projects, I created a roughness map with a lot of dirtiness but I can't seem to find why it doesn't show up in Cycles. Can someone explain to me how roughness maps work? I've been watching various guides, but I still don't know what value for rougness map to use for potatoes. Shown in the photos - the left photo is the isolated green channel of the mask from substance painter in photoshop and the right photo is the resulting material in unreal with this roughness map. Sep 30, 2025 ยท Learn essential techniques and tips for mastering roughness maps in Substance Painter. This is when I haven't connected the roughness map, roughness and specular are on but when I connect the roughness map, everything goes matte. Textures are from substance painter, everything looks good there. I exported with the metal rough preset and in unreal the roughness map doesn’t appear to work as expected. I've heard that a high value is used for stylistic styles and a low value is used for realistic styles. I created a paint layer and painted a number of the bricks with high roughness. yfde koyw xbfz psbjnb ttd ehmjve rvkgxpf bdkra kyvkvv zdhj fjuqk rnpl kwe hsxrmht fes