Bt what you have failed to see, is that these rooms have a large percentage
of ceiling area. A ceiling that will be very cold above in winter and very
hot in summer. It is worth packing in as much insulation as possible just
to improve the comfort levels of these rooms alone.
See above twice.
< snip. He can't follow something simple, not worth going on >
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Can't answer quantitatively, but for the same reason I put down 4inches
(HTF does one cope with a foot of insulation?)
It's made a big difference, there was already a skimpy fibregass layer
there, but it's pretty well just the 4 ins.
So I think I would stick with 4 ins ant take the losses, at least I can
still find joists, wiring, pipes, chimneys etc.
Whilst we are on the subject on loft insulation what's the consensus for
insulating in, around and over the cold water tank? I popped into the
loft the other day to set the traps for our annual tiny footed visitors
and thought I must do something with the tank, at the moment I have the
tank insulated and up on a platform with the patch of loft insulation
removed underneath it, I was thinking of boxing the whole thing in with
ply and some polystyrene sheet fixed to that to form an insulated box.
The tank has a jacket but is about 4' in the air on its platform which
is why I thought of putting insulated panels around its open support
structure, I suppose the real question is whether the insulation below
needs to be still left out if the tank itself is insulated well enough
On Thu, 22 Jan 2004 15:16:24 +0000, email@example.com
I would insulate with sheets around the platform as you describe,
David. That way there is a small heat source from the house. I
suppose you could put a small amount of insulation on the ceiling
below the tank if you box in like this, but there is probably nothing
much to be gained.
If you simply put a thicker insulation around and under the tank, it
will simply reduce the rate at which the water cools in the tank when
the loft is very cold. In effect you are then gambling with how
long that is going to take.
To email, substitute .nospam with .gl
If you're going to that much trouble, keep the insulation removed beneath it
and tie the boxing in insulation to the surrounding loft insulation. That
makes the cold water tank part of the "warm" side of the house.
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