DIYbanter - View Single Post - Extending R-value for cathedral ceiling

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marson wrote:
wrote:
L d'Bonnie wrote:

Temps. around here drop below -40 Deg F. in the winter.
With a good fire going in the wood stove the inside temp.
near the ceiling peak is probably 80 or 90 deg. F. even with
a fan going. A lot of heat to keep snow off the roof.

How strange. Why would the ceiling be so hot with a ceiling fan going?
Is the stove red hot, with no insulation in the house walls? :-)

You want lots of R1/inch snow on the roof, no?

How can it melt with that 2" air gap?

Nick

Nick, you seem to have no experience heating a house in a cold climate.
of course the heat rushes to the peak of his vault! ever heated a
house with a wood space heater? an air space alone won't stop snowmelt
either. that one has been proven time and again.

Don't bother Nick. He's busy trying to solve some partial differential
equations to calculate how hot it theoretically should get at the top
of a vaulted ceiling, instead of actually having one and knowing it
from experience..