Help: Stains on wall and floor

[JAVIERCC]

Hello,

Can anybody help me to make this stains disapear from walls and floors?
Thank you.

(I am not able to attach the images of the render and parameters, can you tell how can I do it?)

Regards.

[dkendig]

Re: Help: Stains on wall and floor

Could you post images of what you're referring to? It could help the community understand the issue a lot better.