serotoninsid
Registered User
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I left a paw on it and its definitely damp.First of all the downstairs one appears to be a stain but its hard to say based on the picture.
The room is rented out - thats why I didnt see this till now (apparantly its been there for a couple of weeks). I didnt get the heating on until probably 3 weeks later than when it was needed. Would this have had anything to do with it?The problem with the mould spots upstairs is most likely condensation due to poor ventilation.
Its the South/West corner.I assume that the corner in question is facing in a general north to east diection.
Trickle vents are fitted (no wall vent) although I dont think he was using them. He was opening the window instead -although maybe not every day.If its a bedroom have you got trickle vents fitted in the windows ar altrnatively a wall vent in place?
Its definitely not below a bathroom. Heating pipe - hard to say. However, it is directly below the wall vent - venting the downstairs bathroom. Either the vent pipe may not be angled right and heavy rain is forcing itself in there perhaps? Must take off the vent grill and have a look.The spot on the ground floor if its damp to the touch is most likely a water leakage of some sort. Condensation is normally not an issue in a 2 storey building. Is that part of the wall/ceiling junction directly below the bathroom or a heating pipe?
Its been heated for the last three weeks - but could probably have done with heating for the previous three.If the room on the first floor is being occupied and has not had heating on for several weeks then this would lead to a substantial build up of condensation especially with the drop in temperatures over the past while.
The other semi-D have that to deal with.Most condensation will form on the north easterly facing sides of a house.
The trickle vents were not being used at all. Having said that, they were leaving the windows open (something I didnt want for other reasons) which should have been much more effective than the trickle vents. Anyways, I spoke to them this evening and asked them to use the trickle vents every day. Doors are usually left open so there should be a 'through draft'.In my experience the trickle vents are not a success at all. For them to work even in a small way you need to create a "through draught" possibly by leaving doors in opposite rooms open but this may not be an option for you.
I wont be able to get a hold of the builder until Monday. Not sure what way to play it if its not water ingress. At the end of the day, its no more than 8 months since I signed for it. They're the professionals - I should be getting a functional house. Will have to wait and see I suppose...You may struggle a wee bit with the builder as this problem would not be an issue for him unless you can prove for example that the wall/ceiling was not insulated or proper size vents were not fitted. Having said all that you need to examine the exterior of the wall to see if there any possible causes for water penetration. Missing downpipes or poor flashing at a roof/wall juction are the usual culprits.
This sounds very similar to whats going on at my place alright. Which dehumidifier did you get marty and what did it cost you?We finally purchased a dehumidifier.
Yeah, can't pursue the builder on that one as they never put a shower in the bathroom in the first place.On top of this the builders also put in place an extractor fan just above the shower. I think there are regulations now that this has to be done in all new houses.
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