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No leaks to roof or damp inside that I'm aware of

this is what google ai says... "Moss is likely rolling off your roof because it's become too heavy due to moisture absorption, combined with factors like wind, rain, and gravity, causing it to detach from the roof surface, especially if the underlying roof material is not providing sufficient...

I've used this, with a bristle brush attachment to remove moss def at the 6-8m range it gets bendy and have to be v carefull to keep brush screwed on. but can also be used with the right attachment to help clear gutters...

Hi everyone, just seeking a bit of advice roofer replacing roof next door has taken some photos, please could the experts here take a look and say what's needed doing and what costs ought to be [in london] -i can see valleys /gutters have some rubbish in them needs clearing [1st and 4th...

Thanks what is the remedy?

now adding photos of roof - it looks ok to me but im no expert. what do you think? should i get the moss cleaned off it anyway?

hi I returned to my flat in the new year and found these stains on the wall/ceiling. Above is a tiled roof. The part jutting out is an old chimney breast. Next to it is internal stud wall/internal insulation. The chimney is no longer there). I turned the heating and dehumidifier on just to make...

Ps if worse when rains outside could be penetrating damp especially as you haven't stormdry from halfway up. Cowls on chimney and a stove in the fireplace and insulated wallpaper do nothing to stop penetrating damp through the wall

Bit hard to understand from OP if your chimney /chimney breast is on an outer wall or not (if not and it's on a party wall then problem could be other side ie your neighbours) or if the breast is sealed off and whether new stove is in the fireplace downstairs or in the room with problem- can't...

Thanks installed by a roofer that's worth knowing anyway tho. Thank you for the advice

The point is to have airflow so if under the fireplace leads to a cellar with good air circulation that could work but you'd still need vents somewhere at the top of the flue if the chimney has also been capped and sealed at top...

Open the windows! But some condensation on inside of windows even double glazing isn't a problem really. Just shows a sig difference in temperature between outside and inside You can use a dehumidifier You can use thick curtains so more warmth is inside the room Other thing is most double...

What was behind the phone socket that you removed? If it was a wire through the wall to the outside this could be bridging any cavity and/or causing a cold spot and the damp? Solve the problem if you can Good luck

If the damp is not just on external walls but also internal/party wall and most near the chimney breast then that could be at least part of source of problem ... doesn't suffice to cap a chimney - if no ventilation you can apparently get condensation. If there was a chimney breast that's been...

Good luck! Lining paper however waterproof was never going to solve whatever is the cause of the damp behind it tho was it? Polystyrene is not entirely waterproof so not a surprise moisture has got through it Condensation happens from lack of ventilation open the windows use a dehumidifier add...

I was advised to try using zinser coverstain by a local builder (this was by the west coast where they had lots of driven rain and damp issues) and found same advice on surveyor.tips website (page no longer works unfortunately). At the time I also posted here and whilst there were plasterers...

I had same issue in an upstairs room where chimney breast had been removed. Remember if hydroscopic salts from plaster/chimney it's getting moisture from the air in the room so solution is easy stop the moisture getting to the plaster. Paint over and 1m either side with an oil based paint like...

If there's algae think you need to treat with a fungicide to remove it? You could also look at using something like emperor masonry paint which (so the manufacturers claim) can go on top of existing paint (haven't used it myself but says can go on top of existing exterior paint on their...

Managed to get photos from window above various cr*p haf accumulated fortunately was able to clear using a docapole and gutter clearing attachment