We live in a mid-terrace house & keep getting mildew on the ceilings in all the rooms upstairs of our house, against the walls that are the exterior walls of the house. Even after cleaning with the appropriate solution it returns very quickly. All the houses in my area are built in the same way & every1 I have spoken to gets the same problem. One thing the surveyor picked up on when we bought the house was that it had a 'floating roof' so I am guessing this has something to do with the problem?
A neighbour was told there is polythene in the roof over the insulation right up to the edge of the roof and have heard this is wrong & causing a build up of moisture in the roof which then comes down the exterior walls? It was suggested that the polythene was pulled back away from the roof edge but we were worried that this would then cause mildew accross the whole ceiling (instead of against the wall to about 6inches in which is happening at the moment).
2006-12-31 23:30:44 · 5 answers · asked by opibemine 1 in Home & Garden ➔ Maintenance & Repairs
Firstly I agree with all the answers you have recieved thus far, ventilation or lack of it is usually the problem with mildew. I believe you have a damp problem. If you can invisage warm air from your rooms being conducted through the celing board and being met by the cold air within the roofspace, it causes condensation, and if there is a vapour barrier (polythene) present there is nowhere for the moisture to escape.
2007-01-07 06:10:13 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Hi happy new year, sounds like a nightmare! I think your right the plastic is causing the upstairs to sweat, you could rent a condenser to take the moisture out of the air, if you end up with a lot of water from a room then you need to remove the plastic to let the room breath, however if the moisture content is normal then you would need to look how your roofing felt is fed into your guttering because moisture could be getting through at this level.
good luck.
2007-01-01 05:44:35 · answer #2 · answered by Bluerider 1 · 0⤊ 0⤋
I have the same problem and I am having a roofer correct the problem, but in the meantime, you can wipe the mildew off with pure, undiluted bleach on a sponge. Make sure you have old clothes and proper ventilation. I am assuming the paint is white. If it is not, I would go ahead and wipe it down, then after the roofer corrects the problem, paint it white with a mildew-resistant experior paint.
2006-12-31 23:41:12 · answer #3 · answered by galacticsleigh 4 · 1⤊ 0⤋
Definitely a roofing problem. The air isn't circulating freely if plastic has been stuck down over the insulation. Get a proper roofer in to sort it out or risk asthma and other chest diseases.
2006-12-31 23:34:51 · answer #4 · answered by Anonymous · 0⤊ 0⤋
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2016-12-15 05:57:01 · answer #5 · answered by Erika 3 · 0⤊ 0⤋