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damp patch on ceiling but no leak


Please get in touch, damp in the home: causes, symptoms and treatments.

Then, proceed with the steps below.

Dehumidifiers often have a laundry mode to help when drying clothes indoors. Close the bathroom door and open the window when showering, or install an extractor fan in bathrooms, so moisture is instantly whipped away. Drying clothes, washing dishes or bathing can produce humid air that should be vented out of the living space via windows, exhaust vents or fans. Locate and fix the roof leak or replace the leaking pipe with a new one. Dehumidifiers extract moisture from the air and store it in an internal bucket. If your ceilings are discoloured, your walls cold, slightly clammy or covered in black, speckled marks, or your wallpaper is curling and/or paint flaking, your home needs your attention. In the bedroom above, I have been under every floorboard anywhere near the damp patch, and there are no pipes, and everything is dry under the boards.

Wondering if you can help me try and identify where i could have a possible leak from. Relevance. Insulating an attic can help create a warmer home, and secondary or double glazing will help to avoid condensation on windows because the inner pane of glass is insulated against the cold air outdoors. The material is for general information only and does not constitute investment, tax, legal, medical or other form of advice. In the case of ceiling condensation, humid air from home living spaces rises until it contacts ceiling areas heated by hot air in the attic. Clogged dryer exhaust vents cause humid air to be vented into the living space. Pop a moisture absorber in a damp, musty cupboard to keep it dry. 55+? It’s natural to want to get rid of an unsightly water stain on your ceiling, but this should be the last step of the process.

But I am absolutely flummoxed as to the cause. They may find that the damp patch is being caused by a leaky pipe that needs repairing, or that you require better ventilation to solve excessive condensation. I bought this house back in february, there was a wet patch in this spot caused by a leak coming from the gutter. Check radiators, pipes, sinks and show cubicles for leaks. Whatever the cause of the damp on your ceiling, here’s how to fix it. There are a number of methods, so consult an expert to find the best one for your style of home - and ensure you get a long-lasting guarantee on the work.

Keep on top of maintenance on the outside. Penetrating damp Find out about some of the best dehumidifiers to buy. Likely cause: condensation occurs when warm, moist air touches a chilly windowpane or a cold external wall, and causes wet windows, and over time, black marks and mould.

Sunlight heats the roof, which raises the temperature of stagnant air in the attic. Symptom: brown stains on ceilings or walls Always obtain independent, professional advice for your own particular situation. What to do if you notice a damp patch on your ceiling.


It might be tempting to carry out a bit of DIY roofing, but this will likely end up making the problem worse (or failing to address it) and costing you more money. Plumbing leaks can also cause floorboards to become soft over time.

Find out how to identify the causes of damp and what you can do to get rid of condensation, mildew and musty smells. Allow the damp spot in the ceiling to dry. If you suspect your plumbing is leaking, call in a plumber. They will also clear gutters - but you might need a builder to repair mortar and render on the outside walls.

Melanie Whitehouse is a journalist, author, interiors stylist and animal lover, Question about your subscription? It isn't a difficult job and can easily be accomplished by the homeowner but it takes some preparation to do it correctly and not have to re do it.

If you have had a ceiling leak and the roof has been repaired, now you are faced with having to paint the ceiling. High humidity Sometimes a long-term, slow trickle from something like a radiator can go unnoticed for years, rotting joists without you ever realising you have a problem until your floor goes spongy.
Don’t worry: there are a number of possible reasons for damp, and they’re usually easy to rectify. Then replace the silicone with a mould-resistant variety. Whether your property is old or new, if you have renewed your insulation you will probably have some kind of mould somewhere if air isn't circulating efficiently.

Symptom: condensation on windows, wet walls, peeling paper Place furniture a few inches away from external walls, to allow air to circulate.

His images and words have been featured by websites and publications such as CNN, Creative Loafing and Tampa Bay Times. If walls are mouldy, wipe down with mild detergent, then dry with a clean rag.

/ 05 February 2018. Unsightly damp patches on walls, floors and ceiling do not automatically mean you have a leak. UK property worth £70k or more?

Could the AC Unit Cause the Ceiling to Leak? Provided by HUB Financial Solutions Limited.

Likely cause: moisture generally is a common cause of damp in the home. How to prevent damp Do your painting and decorating when the weather is fine and you can leave windows and doors open to ventilate the space. Improper ventilation and … You should not rely on this information to make (or refrain from making) any decisions.

A 'smart' model will switch on automatically when humidity rises about a certain percentage.

Rising damp is usually found in older homes, where damp-proof courses aren't automatically built into the construction, and new windows (double-glazed for example) and non-porous paint and other renovations have made it hard for moisture to escape. Proper insulation reduces the heating effect hot attic air has on ceilings, as well as prevents conditioned air from leaking out. Professional roofing contractors like South Thames Roofing will provide you with a free, no-obligation quote to help you decide on the best course of action. If you can’t fix the roof at once, tarp the roof to prevent more water from penetrating it and then deal with the problem when the weather clears.

If you have a wall re-plastered or brickwork replaced, let the wall dry out thoroughly before applying paint.

If the contractor is happy that your roof is in good condition, and the damp is not being caused by a leak, blockage or other roofing issue, then you should contact a builder to examine your property. Black mould can be found around windowsills when condensation runs off the glass. If your problem is the roof, a specialist roofer will repair broken or loose slates or damaged flashing.

Buy an electric dehumidifier to reduce humidity levels and make your home less hospitable to condensation, mould, mildew and other allergens like dust mites.

It is unlikely to grow on metal, plastic or glass unless there is dust or grease on it, so keep surfaces clean to reduce the risk of mould coming back. Empty the bucket regularly as it can fill quickly in a very humid room. Existing insulation that has been exposed to water or high moisture levels may be susceptible to mold or mildew growth and should be removed before new insulation is installed. Chartered surveyor John Conlin answers reader questions on damp. Moisture can be a symptom of damp but it can also cause damp, so it needs sorting out. 15 Answers.

Open up any vents in your fireplace to give the flue a good airing, and get the chimney checked by an expert. An expanding wet patch on the ceiling can mean there is a leak upstairs. Choose wall finishes that resist moisture – Dulux make a huge range designed specifically for kitchens and bathrooms. They may find that the damp patch is being caused by a leaky pipe that needs repairing, or that you require better ventilation to solve excessive condensation.

It's generated through normal household activities like cooking, washing, showering, and drying wet laundry without proper ventilation. Over 50? Likely cause: if your plumbing is leaking, you'll find an expanding damp patch somewhere on a ceiling or underneath a basin, sink, bath or radiator. Causes of damp If you’ve noticed a damp patch on your ceiling in  contact us today and one of our roofers will be more than happy to help. Installing a damp-proof course The very first thing to do is to stop the water from leaking, otherwise all your repair work will come to no good. Over a million people already benefit from our cover. My kitchen ceiling started dripping last night, which I have since discovered was caused by poor fitting of my new shower. Symptom: humidity of over 60%, mould and mildew, musty smells If no signs then could be under floor but 9 times out of 10 you will find it if you look. Check your roof in spring and autumn and after storms. Chimneys are another common culprit – especially old ones that don’t have damp-proofing solutions in place. I have what looks like a bad damp patch on my ceiling. It’s a good idea to call a roofer as soon as you spot the damp, as it can be treated fairly easily in its early stages.

Condensation on your ceiling can cause water damage and promote the growth of mold or mildew. homes & interiors|how to guides|property maintenance|interiors|surveyor q&as|property abroad.

When the humidity level reaches over 60% you are more likely to experience mould growth, especially if the room is 20C or warmer. Damp problems in houses in the UK are usually most obvious – and most prevalent - during the winter. Signs of damp The causes of chimneybreast damp include rubble down the chimney or chimneys that have been blocked up – at the top or the bottom - so the bricks can't breathe. This heat also affects the building materials used to construct the ceiling. This might involve a simple clean-up of your guttering system, or could be a larger task like fitting damp-proofing materials or replacing your tiling. A condenser dryer doesn't need a vent to the outside and won’t allow moist air to escape into your home. Subscribe today for just £3 for 3 issues... Mouldy silicone around the bath or shower can be replaced by using sealant remover, a product that dissolves it. Condensation on your ceiling can cause water damage and promote the growth of mold or mildew.

Keep curtains and blinds clear of windows if they're prone to condensation.

Like to advertise with us? In older buildings, brick walls may absorb moisture from the ground, so installing an up-to-date damp-proof course is the answer. If you can repair the roof to stop the leak, do so immediately (if DIY repairs are beyond your realm, call a roof repair contractor. The normal range of dampness in a UK house is between 40- 60% and can be measured with a  hygrometer, available for around £10. To keep moisture at bay, open your windows every day and let fresh air circulate around the house.

I've got damp patch on ceiling but no leak from roof?

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