We turned the tiles over and painted on the reverse side. We did this several years ago. It would be wise to check with your school administrator before doing this.
> We were brainstorming yesterday about fun projects with which to end
> the HS year...painting on the ceiling tiles came up. Did we recently
> find that it was a fire hazard? These are relatively new tiles, about
> 30' x 20' each, and are composed of compressed insulation. The part we
> see after they are installed, where we would paint, is painted white.
> Was it this type that was discussed? Was it a fire hazard to paint
> them? It certainly seems illogical.