Tim S wrote:

Not sure what lubricant to use - you want something that's going to
evaporate out - otherwise there will be a tendency for the joints to come
apart again. Perhaps washing up liquid?

I would have though a bit of candle way rubbed down the tounge of the
board may help- not too much chance of that marking or soaking in.

--
Cheers,

John.

/================================================== ===============\
| Internode Ltd - http://www.internode.co.uk |
|-----------------------------------------------------------------|
| John Rumm - john(at)internode(dot)co(dot)uk |
\================================================= ================/