There has been some mold appearing on the plaster walls in the corner of a
bedroom in my flat. When I decorated the place I saw coatings on the corners
of the rooms which looked like they'd previously been treated for dampness.
All corners have been fine except for one of them. Grey or black mold spores
are growing there and slowly multiplying. Would the solution be to wipe it
off and treat the plastered wall with anti-mold paint, then paint over it
Thank you for any advice given in reply.
What you suggest may delay the return of the mold but may not prevent it
because the source of the damp hasn't been identified. A periodic wipe with
an anti-fungal solution will prevent mold re-growth but may discolour the
paint finish. If you want to cure the problem you need to look for external
and internal sources of moisture. Regarding internal sources, moisture from
the bathroom, kitchen and breathing will condense on cold surfaces if
ventilation is limited, especially in corners. As it is a bedroom that is
affected, each person breaths out about half a litre of water (as water
vapour) each night; if ventilation is limited then this moisture will
condense out, especially during cold weather.
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