SHOWER DOME TRIM
In the shower ceiling below the dome is the shower garnish or trim. Some of these have a clear plexy glass on top. Alot of these do not have it. Replacement garnish does not have the plastic since you...
Forum Discussion
Hardly an expert, but just a couple of observations...first, without the "clear" insert, any creatures that have made their way into your attic will have free access to your interior. Also, while not providing much additional insulation, there is some insulation value with the clear insert.
