what do you mean by this?I still vote for painting the back and then trying to angle some of the light from above away from the real panel.
what do you mean by this?I still vote for painting the back and then trying to angle some of the light from above away from the real panel.
do you mean inside?what about plaster on the outside, aplyd with a spatula?, that would make it white, and algae resistiant.
what about putting a coat of black 100% silicon caulk on the back and side panes?