Hi,

A couple of years ago I sunk a one-gang socket into the external wall
of my kitchen to take a flush-mounted telephone socket. I've just
noticed that the emulsion immediately around the socket is starting to
bubble. The wall was treated for damp a while back, and I guess that
by chopping out the masonry for the socket I've removed the
waterproofed render that was behind that bit of plaster thereby (a)
letting some dampness thorough, and (b) proving once again that
injecting silicon stuff is a lot of hocus pocus and all that cures the
damp is the new waterproof render.

Anyway, clearly I should have put up with a wall-mounted telephone
socket, but too late for that. My idea for a short-term bodge is to
put a plastic surround around the socket to hide the bubbly bit. I
could have sworn that I've seen this sort of thing, but I can't find
anything on Google, any pointers? Also, any longer term solutions?

Cheers,

Martin