First, the glass is set into a thin metal channel that is fixed to the surface of the shower wall and pony-wall, creating a L-shaped frame. Once the glass slides into the channel, the channel and glass edges are topped with a bead of silicon adhesive to keep water from settling in the trim. Also, note that the top of the pony-wall is sloped slightly to keep water from building up on the on the wall and glass trim.

What color is the ceiling?