4 seamless concrete materials.
- The archive contains the file max 2012, 2015, 2018 obj, fbx with 4 customized materials (Vray, Corona)
- Seamless textures
- Texture size 4096 x 4096
- Diffuse x4, Roughness, Normal, Displacement, Ambient Occlusion.
Important! The scene in the preview is different from the scene in the archive. The scenes have 4 planes with customized materials. The VrayDisplacementMod or CoronaDisplacementMod modifier is applied to the planes (depending on the engine you are using). The size of the planes is 4000x4000 mm. For this plane size, the Amount value (in the VrayDisplacementMod or CoronaDisplacementMod modifiers) is 150mm.
Video presentation in Marmoset: https://youtu.be/HwmzLJVtGWY 
Those who work in a V-Ray version lower than 3.1, be careful, in the materials in the BRDF section there is Microfaset GTR (GGX), if your version is older than 3.1, then the BRDF field will be empty. Choose Blinn, Phong or Ward - whichever is preferable for you.” If the CORONA version is higher than 1.4: “For Corona render, it is recommended to install the version no lower than 1.5, since the glossiness of the materials is adjusted taking into account PBR.