Heat Loss

On 02/09/2013 22:51, Grimly Curmudgeon wrote:

This is not according to the laws of physics. They aren't superconductors!
Andy
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On Tue, 03 Sep 2013 08:26:52 +0100, Vir Campestris

Go and read some basic physics then.
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On 03/09/2013 17:19, Grimly Curmudgeon wrote:

Well, Bruce has quoted the U values upthread, showing that the heat doesn't just keep going, it has trouble getting through. Less trouble with stone than brick, but still some. A foot thick stone wall seems about the same as a single skin brick wall.
Andy
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@gmail.com says...

The Domestic Heating Design Guide lists the following U values for use in heat loss calculations:
Solid stone wall, unplastered 305 mm U = 2.78 457 mm U = 2.23 610 mm U = 1.68
for comparison:
Solid brick wall, dense plaster 102 mm U = 2.97 228 mm U = 2.23 343 mm U = 1.64
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