@thomthom said: Emissive materials should not be used as primary light source. Use omni or rectangular lights as primary. Thanks ThomThom ! It helps me too, because I tried this http://sketchupvrayresources.blogspot.ca/2011/07/trick-removing-splotches-in-vray.html But it's still the same! Now with a rectangular light it's really better.

Oh yes .. uhmm i think i did something !! Thak u all !! Well . here is the final image and two variations for this project who gave me some poblems .. well im studying vray , so all bad things at these images are not coincidences ... lol !! Im uploading it here, cause i think my images doesnt deserves gallery lol !!! [image: sobrado5.png] [image: sobradoedited.png] [image: sobradoedited2.png]