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Insulating below a floor
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Malcolm Hoar
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Posts: 726
Insulating below a floor
In article ,
wrote:
Eric in North TX wrote:
Warm air rises, cold air sinks...
But air conducts
...less than almost anything other than a vacuum. Check
the thermal conductivity of air in a suitable reference
work.
and heat radiates downwards.
And a floor, which is generally not very warm to start
with, isn't going to radiate very much (in any direction).
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