Homebrew PCBs

Hi!

After a short hiatus (house painting, travel etc) I'm back trying to
get my LCD to work!

After soldering a couple of jumpers on a board with some pitted
tracks, I _have_ managed to get the LCD to work. However, not
reliably. My issue now seems to be soldering the SIL header to the
LCD and the lack of positive contact between the pins/sockets.

The LCD would appear to be at least doubled sided, with tracks on
both sides. Do I need to solder both sides of the LCD to the SIL?

TIA,
Adam

PS: LCD's sure are hard to de-solder!