Quote Originally Posted by mister_e View Post
Tact switches mounted on a pcb, some hole on the front plate, and a home made (or any other much fancy place) membrane to stick over the whole thing (front-plate). Neat enough, cheap enough, easy to repair/modify too.
Scary parallel processing - I've got a piece of scrap PCB at home with a tact switch covered with some clear silicone which is drying. I'm hoping the silicone will have not penetrated the switch but will provide a flexible enough seal over it.

Andrew