Why do some floors blink? like a bug?

Why do some floors blink? like a bug?..In the screenshoot I show you what happens

295917-error2.png

If it’s a very fast flickering, you might be dealing with Z-Fighting. Check your floor’s geometry to make sure that two polygons are not in the same place at the same time.

Thank you very much for the answer, I didn’t know that kind of thing, I learned something today :smiley: … I managed to fix it, it was a material