1. Has the leak been fixed? If not, no sense covering up the stains as you'll just get more.

2. If its painted, then apply a stain-blocking primer like Kilz or BIN. Then paint. Regular primers and paints will not hide the stains.

Yes, the leak has been fixed. The wood has already been stained a clear light oak color and we just need to try and get rid of the stains and maybe try to put another coat of the same stain on it. It would be really easy to hide if we were just painting a solid color over it!!

He is right about the kiltz it is the way to go you always put this on first before you do anything alse which means you might have to restain that area thou.