"jacob" wrote in message
om...
The Natural Philosopher wrote in message
...
MikeS wrote:

I have just got a quote for a new roof as the existing roof tiles are
not
longer made (Belgium made tiles made in 1928 and are of unusual design)
I
think they are called Contre. The roofing firm has quoted for a
breathable
under felt which does away with the need for venation I have heard of
breathable felts on wood framed houses, but not used on roofs, I take
it
that building regulations cover this?


Yes.


Tyvek, Nilvent, and others. Has become the norm afaik.
cheers
Jacob

Thanks BigWallop and Jacob.
MikeS