If left untreated the mold could cause permanent stains that ruin the appearance of the trim.
Black mould sash windows.
Throw both rags away.
Where the problem is relatively minor spray some white vinegar onto the windows and leave it for a few minutes as you gather some baking soda onto a clean cloth.
Dip a rag into the soapy water and wipe.
A variety of cleaners can remove mold but they can bleach or otherwise damage the trim.
Aluminum and pvc windows are made of hard non porous materials.
It should be easier to clean these surfaces.
Black mold can appear on wood window trim if outside moisture finds its way onto the trim and you do not immediately dry the wood.
Place undiluted white vinegar in a spray bottle and spray the sills and frames.
Vinegar is a good option in cleaning black mould from these areas.
Keep your windowsills as dry as possible to help prevent mold.
Add caulk to the window edges to stop leaks and wipe away.
The condensation that naturally occurs on windows runs down the pane and lands on the wooden window sill.
Any sign of mould growth is an indication of the presence of moisture and if caused by condensation provides a warning that heating insulation or ventilation or all three may require.
Vinegar and ammonia can substitute for bleach if necessary.
Once removed use the dry rag to wipe the damp area of the wall and remove any moisture.
Fill a bucket with water and washing up liquid step 2.
Rub a dry mildly abrasive sponge over the mildewed area.
No matter if it is a new stain or an old stain you can remove the black mildew and return the wood to its natural beauty.
This can then be used to rub away the mold since the baking soda will act as an abrasive and the vinegar will kill the spores.