Well, I do occasionally put some wet washing in the airing cupboard if it's been raining and I can't get it dry. The airing cupboard is at the top of the stairs next to the bedroom more or less. Do you think this could be linked to the problem? 
yellow spots
- Thread starter myanne
- Start date
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if you're getting mould, it's damp.
ventilation relieves dampness.
look for leaking roof or gutter as well, but wet washing is the most common cause, except in or close to bathrooms with inadequate use of extractor fans.
Bleach and cleaners will not cure dampness.
Look for condensation mould behind or inside wardrobes which are against an outside wall.
What sort of windows have you got?
ventilation relieves dampness.
look for leaking roof or gutter as well, but wet washing is the most common cause, except in or close to bathrooms with inadequate use of extractor fans.
Bleach and cleaners will not cure dampness.
Look for condensation mould behind or inside wardrobes which are against an outside wall.
What sort of windows have you got?
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We have had doubled glazed "sash" windows for about 5 years now. The bathroom is across a very small landing and it doesn't have a window - just a small extractor fan. You walk up the stairs with the airing cupboard at the top of the stairs. To the right are 2 bedrooms and to the left is another bedroom and the bathroom. Beyond the bathroom is an extension of 2 more bedrooms.
Downstairs are a few odd patches of damp on the walls in certain places but they are not spotty or coloured just damp - you can see it coming through the painted paper . The house was built in 1860. Recently I saw a piece of guttering that had come out and had it put back but this wasn't at the site of the yellow spotty mould unless there is a problem round that side of the house that I just can't see.
Downstairs are a few odd patches of damp on the walls in certain places but they are not spotty or coloured just damp - you can see it coming through the painted paper . The house was built in 1860. Recently I saw a piece of guttering that had come out and had it put back but this wasn't at the site of the yellow spotty mould unless there is a problem round that side of the house that I just can't see.
an 1860 house needs plenty of ventilation to keep it dry. There is probably moisture coming up from under the floor (water vapour rises) even if it has a cellar, as the subfloor will have no DPM and will be damp. I imagine you do not use the fireplaces any more (the chimneys all need to be ventilated top and bottom)
your double-glazed sash windows are presumably modern and draught free, so you need at least a trickle-vent or other ventilation in every room.
do the windows have trickle vents? what are the window-frames made of?
your double-glazed sash windows are presumably modern and draught free, so you need at least a trickle-vent or other ventilation in every room.
do the windows have trickle vents? what are the window-frames made of?
This is all very interesting - thank you. The windows are UPVC but in the style of Victorian sash.What is a trickle vent?
You are right actually before we had them fitted we didn't seem to have this problem and the old windows were very draughty. We use one fireplace in the winter but thats it ans our central heating system is not very efficient (that's another story!)
We don't have a cellar but I have a feeling we live in very damp conditions. There is some water that goes under the houses round here as several of us have had wells in the garden (ours is filled in now). Those air bricks outside sometimes get filled up with leaves etc and I don't often remember to clear them out - how important are they?
You are right actually before we had them fitted we didn't seem to have this problem and the old windows were very draughty. We use one fireplace in the winter but thats it ans our central heating system is not very efficient (that's another story!)
We don't have a cellar but I have a feeling we live in very damp conditions. There is some water that goes under the houses round here as several of us have had wells in the garden (ours is filled in now). Those air bricks outside sometimes get filled up with leaves etc and I don't often remember to clear them out - how important are they?
very
there needs to be a throughflow of air under the floore, from one side of the house to the other
they can also be choked inside with cobwebs, dust, rubble.
a trickle vent is a small unobtrusive ventilation slot ion the windoweframe, usually at the top, usually with a plastic cover to keep insects out and sometimes with a closable cover which has to be left open for ventilation
there needs to be a throughflow of air under the floore, from one side of the house to the other
they can also be choked inside with cobwebs, dust, rubble.
a trickle vent is a small unobtrusive ventilation slot ion the windoweframe, usually at the top, usually with a plastic cover to keep insects out and sometimes with a closable cover which has to be left open for ventilation
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