On Feb 13, 1:50*pm, "Dave Liquorice"
wrote:
On Wed, 13 Feb 2013 09:15:47 +0000, Andy Champ wrote:
Sheeps wool encourages vermin.

The mice in our roof don't seem at all bother by the glass fibre
insulation. They make nests in just fine.

We had squirrels nesting in ours. But there are insects that _eat_
wool, and AFAIK none that eat glass fibre.

Wool insulation is treated with borax to prevent insect attack.


Right.........
http://en.wikipedia.org/wiki/Borax#Toxicity