Harry wrote:
On Sun, 19 Jul 2009 16:35:54 -0700 (PDT), David
wrote:

On 20 July, 00:18, F news@nowhere wrote:
We've got one of the energy companies coming to my father's house to
survey for free loft insulation. Anyone know how deep it should be when
they've finished?

--
F
IIRC it should be 12 inches.

Just had mine done to 10". Bum. Still, size isn't everything is it?
;-

More important than height of insulation is getting it airtight,
not only will warm air **** out through the holes
but it will condense as it moves up through the rockwool
and create damp, rot, etc...

[g]