In article
, Man
at B&Q writes
On Apr 3, 11:19*am, fred wrote:

The trough is the area occupied by the rafter but shielded from
ventilation by the celotex. If the wood in this area gets damp for any
reason then it will not clear easily as it is unventilated. Any moisture
egress would need to be through the wood to the upper ventilated part
which likely leave it damp longer and more susceptible to rot.

OK. I disagree.

OK. What are you disagreeing about?
--
fred
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