Hello all,

I need help finding out a title of a movie. All I can remember about the film, which I have not seen in over ten years, is sort of dawn of the dead feeling, maybe. There was a scene on a rooftop, climbing in a fire escape, I think, there was a dance (either at a high school or college) the main characters get all the zombies on the dance floor that was constructed over a swimming pool and they drop all the zombies into the pool and freeze them and kill them all. I am pretty sure that this is a 80’s movie. I hope someone can tell me what the name of this film is, no video store in my area every heard of it. Please help me, I remember liking this.