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Posted by Peter Fairbrother on January 19, 2008, 10:04 pm
Please log in for more thread options Mike wrote:
> wrote:
>
>> Andrew Mawson Wrote:
>>> Has anyone had any experience of sprayed polyurathane foam insulation
>>> in buildings? I need to insulate a building (roof & walls) that will
>>> be my workshop. Roof is brand new fibre reinforced corrugated cement,
>>> walls are cement block to waist height then timber studding above. I
>>> had planned a suspended ceiling with rockwool on top, but I have
>>> headroom constraints that make the sprayed polyurathane look more
>>> promising. Walls could still be rockwool as it will be faced with 18mm
>>> boarding.
>>>
>>> AWEM
>> Friends have just had insulation added to their house and used a
>> multilayer aluminium sheet and fibreglass tissue insulation with a
>> plasticised aluminium outer layer. At about 20 mm thick its meant to be
>> the equivalent of PU foam 9 inches thick.
>>
>> The only trouble is the price, about £400 a roll !
>
> .......and the fact it doesn't even work in the real world.
>
> They go under a number of names but TRI ISO 9 and TRI ISO SUPER 10 are
> probably the most widely used.
>
> Thin foil 'insulation' is among the biggest cons of the 21st century -
> the organisation that originally certified them for use in the UK
> didn't use standard methods and if they had then the results would
> have shown this type of insulation is completely useless unless you
> are in a vacuum. The approval was subsequently withdrawn after a
> complaint (to trading standards iirc)
>
>
It works good in vaccuum though ... used in lots of spacecraft ...
-- Peter Fairbrother
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> be my workshop. Roof is brand new fibre reinforced corrugated cement,
> walls are cement block to waist height then timber studding above. I
> had planned a suspended ceiling with rockwool on top, but I have
> headroom constraints that make the sprayed polyurathane look more
> promising. Walls could still be rockwool as it will be faced with 18mm
> boarding.
>
> AWEM