Jazz paints actually have a window prepping liquid that you apply
beforer painting.
MaryB
carm@dtnspeed.net wrote:
> I mixed liquid dishwashing detergent with the tempera when painting the
>front windows at our school. It went on well and was also easy to clean up
>later.
> I remember someone suggesting Jazz tempera for window painting, too. I
>have seen it in the Dick Blick catalog.
> Sounds like a fun project.
>
>Anne C-H in Illinois
>
>
>