Andy Hall wrote:

They seem to be pretty random fibres. Not very thick, but enough to
mean that snapping doesn't work all that well if you're looking for a
clean edge.

Must admit to not finding any threads in the PIR foam I used (made by
Ecotherm)... must be something that varies with manufacturer. Having
said that, snapping would still not work that well due the material not
breaking cleanly anyway.

--
Cheers,

John.

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