Textures: Uses one texture set 1024x1024. Asset looks OK and with 512x512. Diffuse - Two variations. Red and white. Normal map Masks (R = Ambient Oclusion / G = Roughness / B = empty)
The main image was rendered in Unreal Engine 4. Unreal engine: For save all paths you have to put the 'Assets' folder from 'PlasticBarrier_ue4' archive to 'Content' folder of your Unreal project and after that move the meshes and textures to necessary folder in Unreal Editor.