Tim S wrote:
Andrew Mawson coughed up some electrons that declared:


That looks identical to the dry rot fungus I had in my last house
before Rentokil replaced timbers and sprayed. Surpula lacrymans iirc
but it was 25 years ago!

Oh - the concensus is no longer 100%.


well it hardly matters which it is, since both need damp to flourish and
both need entirely removing, and remedial action to remove the wetness
applied, as well a replacement of structurally deficient timbers.

A good fungicide is also a good idea as well.