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Fri, 12 Oct 2001 09:57:25 -0400 |
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On Fri, Oct 12, 2001 at 08:02:12AM +0100, Alan Riach wrote:
> So the question is - with screened bottoms should the top be open or
> close or does it matter.
It depends on how much snow you get. We get quite a lot here (generally
nearly 3 feet by the end of December), and so the bottom board is quickly
buried in the snow and stays that way until about mid-April. Since
the snow pretty thoroughly prevents any air currents or drafts from
blowing past the screened bottom, a top opening is vital for maintaining
ventilation. Besides, with the deep snow I need to provide a top entrance
so they can make cleansing flights during the late-january thaw, so it
makes sense for the entrance to provide ventilation, too.
--
Tim Eisele
[log in to unmask]
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