What are those metal discs at the base of some walls?

Question

Here's an example from a shower stall at work.

metal disc on wall

I've seen them in other types of walls, including exterior ones.

score 27 · Answer 1 · answered Nov 28 '18 at 05:09

27

Plumbing pipe cleanout cover. You can remove the silver coverplate and you’ll have access to the sanitary drain pipe.

answered Nov 28 '18 at 05:09

Lee Sam

2

You also see plastic ones for getting at the electric wiring, often with junctions behind them. – RedSonja Nov 28 '18 at 13:56

1 Answers1