Second hand so bear with me!

Daughters Edwardian terrace, North London, has always shown evidence of
damp in the basement area. Used as a kitchen/dining/living area and with
no extract system in place hardly a surprise.

Some recent building work included re-plastering the solid brick wall
next to the garden exit.

The skim coat blew off within a few months of the builders leaving site.

A firm specialising in damp consultancy were brought in and I now have a
copy of their report. They *measured* relative damp and moisture content
and did thermal imaging.

In view of previous adverse comment on damp investigation I thought
running their recommendations though here worthwhile:-)

Basically, fit an extractor. OK

Also strip off exterior render made non-porous by non breathable paint.
Replace with breathable lime based render and lime wash for decor.

Any internal plastering should be undertaken using a lime based plaster
only.

I am no plasterer but visually it looked as if the internal plaster skim
was not *attached* to the base coat either by scratching or unibond and
that, while condensation is undoubtedly present, this is not the cause
of the blowing.

Thoughts?


--
Tim Lamb