Damp patch on wall but no leak.
Condensation Damp Patches on Internal Walls.
Damp patch on wall but no leak When fixing a window down to the cill (assuming of course you have external PVC cills) you need to seal along the back edge of the cill and the 2 ends of the window, This prevents driven rain from getting up between the window/cill and running out of the ends into your cavitys Sep 7, 2019 · This morning however, I got up to find that the damp patch had extended, and was clearly new wet, as the patch was darker. Jul 7, 2011 · Its in the middle of the wall,around 10 inches across and the little patch of wall itself does'nt get mouldy or anything just visibly water marked. For example, a masonry wall with damaged bricks and mortar can let moisture in and cause water infiltration. Either way, if the spot is damp and remains damp, repair will involve removing the wet section, so I'd say the answer you're looking for is: open up the wall by removing Oct 25, 2024 · Lime Wash for interior damp walls. Recently I have noticed some damp patches along the plastic trim to the frame of the front door which is parallel to some pipework. the square edge skirting is a previous repair job. It’s not because damp or mould patches were formed in a certain place, that the leak is there as well. Some damp paints let you paint it directly straight onto the damp patch whereas others might need a dry surface to adhere to. Also, the stain and wet mark dont go that close to the wall, if at all. Repairing Window Well Leaks. Nov 15, 2005 · The possibilities so far - no damp can be seen: 1. wall is inside the house. Look out for these five key signs of damp: Stained or dark, discoloured patches on ceilings, walls or floors. Jul 17, 2024 · Condensation on certain walls of your home at specific times is totally normal. However, if a reading shows no difference between the stained wall and a visibly ‘dry’ patch or if a reading can be taken beneath the paint/paper layer, deeper into the plaster, it will be informative. Anonymous user 13 November 2020 - 9. Hi there, We've recently moved into an old house (1880s) which has a damp patch at the top of the wall and ceiling of the bedroom upstairs. Lagging: Unless you lag your pipes, they can be susceptible to condensation and damp. If a property is poorly ventilated or has an excess of moisture present it can cause damp patches and mould to form on the inner walls. It might be hygroscopic salts in the chimney breast itself. For example, it might be that there is a weakens in the weatherproofing of the home that is letting in the water somewhere – cracks in bricks, broken roof tiles or a problem with the guttering. Find out what causes damp patches including issues such as cracked mortar, roof tiles, damaged guttering or lead flashing and find out how to fix them once and for all. No pipes anywhere, no leaks, it didn't touch the walls, 6 feet of airspace below (the cellar). We got a lot of walls reskimmed. My father in law suggested that it may be that the seal around the solar panel may have gone, leading to some water seeping through. It’s really bamboozling me. Nov 13, 2020 · Damp Proofing Damp patch on upstairs wall & ceiling. Air Leaks: Gaps and cracks in your roof or attic can allow moisture to infiltrate without actually causing a noticeable leak. Anonymous user 19 October 2023 - 10. I first published it in 2008. some kind of device previously fixed to the wall. Damp due to cold? Could be? But, we do have cavity wall insulation. Sep 5, 2020 · Thanks, lots of good replies, i thought there may be blockage so went and got a chimney sweep brush to fit on my drain rods, ready to sweep when i was up there but when i looked down the chimney and meausred with rods the distance to damp patches the chimney was clear no blockage so never got use the sweep brush, that's what puzzles me why the damp is 12" below ceiling, dry above and below Pipes in walls or pipes that are boxed in which could be leaking. How to identify penetrating damp Nov 9, 2015 · Sadly there have been many posts on here about the advice from damp proofing specialists. Any advice or similar experiance would be helpfull. In this case, contact a qualified plumber without delay. There are lots of different reasons why you might spot a damp patch on the wall of your home. Such damp patches appear as silhouettes on the walls caused due to penetrating damp. I had that fixed, and also had the entire room re-plastered because it needed it. If the damp patches on internal walls are a result of condensation, the problem is often fairly simple to remedy. The wall seems to dry throughout the day. I had a plumber come in a he determined there was NO LEAK. Apr 10, 2012 · the problem sounds like the water is crossing the stone work directly below the upvc window cill, check for holes in sealing to cill and stone work, the sealing should not be mortar as the cill expands and contract to much it should be silicone, also if the upvc cill has not been made in one complete section this could also allow water to enter where the joint is, also check the ends of the Sep 20, 2021 · The most common cause of this type of damp is condensation, although leaks in pipes or gaps in your roof can also cause moisture to soak into walls and ceilings. Our damp seal permanently seals and blocks damp stains from spreading, so it won’t ruin your topcoat. The outside walls appear all completely dry - don't show any damp patches at all. The patch has been very slightly damp for a while now, but has suddenly got much worse in the last two days. Nov 21, 2009 · This article is about How to decorate a damp affected wall and ceiling. It is slightly colder to the touch and although the wall isn't wet, the paint feels slightly chalky compared to the dry paint on the rest of the wall. Should you notice this, it’s best to take action immediately and call a specialist to perform a leak detection. If you wait for a water stain to become dark and moldy, you’ll most likely have to replace your ceiling drywall or plaster, ultimately becoming a more complex and expensive Oct 1, 2024 · Thankyou so much for having a look! I’ve tried to attach some to show you the room in general. Now you know that a dehumidifier can dry out damp walls, what's the best way to get the most effective results? It will be awfully hard to say what is causing the damp spot without either opening up the wall or knowing a lot about the context in terms of what is in and around the area. In this easy to follow guide you will learn all about diagnosing damp issues such as black mould growth caused by condensation, salt crystal build up caused by water washing salts through walls and how to nail down the causes of damp and treat these issues by adding more ventilation to your property, repairing cracked mortar or replacing damaged Nov 30, 2012 · The damp patch is entirely confined to the underneath of the interior window sill, and has a weird, "patchy" distribution - some bits are very damp and some bits not at all. Can’t see any signs of leakage. no experts needed. Oct 26, 2021 · Damaged or defective gutters is one of the main causes of penetrating damp, so if there are damp patches on the external walls then this will penetrate its way through into the inner walls. Again, this attracts moisture which condenses on the damp spot to make the situation worse. Oct 20, 2022 · Damp spots on walls also have a lot of negative effects. I have marked the area on a pic. I'm obviously hoping it's 1 and that it'll dry up in time as Aug 22, 2010 · The wall is internal, the one between the living and dining rooms in a victorian house and is therefore almost certainly structural. Mould thrives in humid temperatures so if pipes are leaking in a warm area of the house, mould can appear as quickly as 24-48 hours. Don't want to do this job yourself? Let us help you find a tradesman local to you. Caused by faulty roofs, gutters, leaking pipes, or damaged external walls or joints of RCC & Bricks. 3. They however claim they have no damp issues. Have push the cold tap on full blast. Sep 11, 2024 · As mentioned above, it is quite a big damp patch to suddenly appear so id guess that it is push fit waste pipe and one of the joints has been dislodged, possibly on the boss where the smaller waste pipe joins the stack This patch of what looks like damp but is not wet to the touch has suddenly appeared around a plug socket after some heavy rain in a terraced house. Windows : Ensure your window frames have no cracks or rotting. Oct 2, 2024 · Damp walls can be caused by a variety of things including flood damage, leaking pipes, rising damp, and penetrating damp and condensation. The bulk of the water may be concentrated near the walls, indicating that the foundation leak is near the walls, and not in the floor itself. Keep in mind that it can take 6 to 9 months for a typical wall to dry out completely. Anonymous user 2 September 2013 - 5. The lining paper has been patched replaced at some time as a horizontal repair line within the damp area is visible, or has that repair to the paper just been done? Feb 28, 2021 · Hello, After some heavy rain late last year I noticed a damp patch part way up the wall by our front door. When it is confirmed that there is no longer a moisture issue the wall can be closed. Growth of mould and mildew. I primed the chimney breast with Zinsser BIN. A damp patch on the ceiling on the ground floor of your home could indicate a leak in your plumbing system, while upstairs, it is more likely to indicate that there are problems with your roof. You can hire a damp proofing expert to locate the source of the leak for rising dampness. Jun 11, 2020 · The first photo shows damp under the wallpaper causing the paper to bubble up. Sep 20, 2024 · Hi need help understanding what the cause of this patch is. The damp leached onto the ceiling and over time mould had grown behind the wallpaper. I have knocked the plaster off and the wall is soaking wet. New to the forum but here goes. Anonymous user 6 August 2011 - 6. Let’s take a look further into the causes, signs and fixes for damp internal walls. Hi, We are in the process of trying to sell our 1930's semi. Over time, this moisture can lead to Problems That Wet Walls, Damp Walls and Cold Walls can Cause. Penetrating damp is a type of damp that occurs when water from the outside gets into the inside of the house through the external walls where May 23, 2022 · If you notice a musky smell, patches of black mould or discolouration on the walls, this may be a marker of a small to moderate leak in your home. Strip back roof, refelt with underlay, membrane and green mineral felt - £3000 3. check there are no overflow pipes were the damp problem is sometimes they might be leaking on to the walls during the night when not a lot of people are using the water. Jan 9, 2025 · We had our front door replaced December of 2023 and redecorated the hallway shortly afterwards, with no obvious signs of any damp/leaks at the time. Aug 19, 2013 · There are no marks once the patch has dried, so no salty deposits or mould, just seems like 'clean water' patches. 1. While that seems to have dried out I would obviously like to solve the root of the issue. If you would like a more You need to identify the source of the problem first, fix it, and then repair the wall or ceiling before you paint over the water stain. Obviously, if you find a leaking pipe, or suspect this is the cause, you will need to hire a plumber to fix this issue. Nov 7, 2024 · The sooner you can identify and remove damp, the less chance it has to cause structural or health problems. The patch is on an external wall, and on the other side there is a plant growing up the outside of the building. If there’s no visible sign of a leaking pipe in the loft above the damp patch in your bedroom, the other culprit could be the roof. How to use a dehumidifier to dry out damp walls. In fact, it is one of the places we prioritise when looking for leaks, especially central heating leaks when someone has their boiler pressure dropping. Understanding the cause of a damp patch on your ceiling is the first stage in preventing it getting worse, and leading to damage to the material, or creating an environment where mould Over time this problem will reveal itself in the form of damp or mould patches on walls, floors or ceilings. Jul 7, 2011 · if damp is not immediately obvious, things like checking in/ behind wardrobes, lifting carpets and even peeling wall paper away could locate an issue. Any ideas on what could possibly cause these moist patches in the middle of my walls? The first spot is on an exterior wall and the second is on an interior wall in the middle of the house. 2) small failure of dpc 3) leak in radiator pipes? Doesn't appear to be drop in boiler pressure though. Now, I'm absolutely baffled. I have hacked off damp area and filled with patch plaster. I think that the wall just hadn't dried out properly and there is still damp patches trying to dry out. If the salty deposits you’re seeing are crunching and stand out from the wall, these as deposits known as ‘salts’. All of 2 + coat roof with acrypol - £ May 8, 2021 · The damp that is caused by leaking gutters will most usually show up as damp patches on the ceilings of your home; however, it can also lead to penetrating damp which will show up on the internal walls. Stain and damp paints don't work it still gets wet even though there is no pipe work and its an internal wall. Hi, got this random damp patch at the bottom side of the wall. We always say that you should never ignore damp, or a water leak Nov 7, 2024 · The sooner you can identify and remove damp, the less chance it has to cause structural or health problems. Here is a summary of some of the most common causes of damp patches on ceilings: Plumbing Leak Above – For Example, a Bathroom Leak or a Shower Leak Through the Ceiling; Condensation Issues in the Room; Condensation Issue in the Loft from Above; Storm damage resulting in a roof leak Whilst insulation is great for making top floor rooms warmer, it comes at the cost of making your loft or roof space cooler. Condensation Damp Patches on Internal Walls. See full list on rd. The orange substance is sticky. The damp rises from the skirting board about 30" max although theres possibly some small spots higher up. Roof looks ok from the garden. Because of the way it enters the property, it usually appears as damp patches on inside walls. Just before christmas I had my dining room skimmed. When a paper towel is placed on it we bring up a slight wet patch on it. Nov 3, 2023 · Remove the heat source without capping the chimney to reduce rain ingress and adding ventilation result in damp. Let’s go! Have little to no rings; Feel more solid, as the water has not fully seeped through yet; Catching a water stain early will minimize repair costs and further water damage. We have 15mm pipe up through the screened floor. There is small window above it. The wettest part, which if I were to guess is the point it's coming from, is in the middle of the floor, in the doorway. Damp is still a problem in 2020!! Problem 1 – This room had suffered from a leaky chimney breast which affected the plaster on the end wall. Various issues, including plumbing leaks, condensation from HVAC systems, and roof leaks, can cause ceiling damp patches. It does get bigger when it rains. Feb 19, 2015 · This can be a common problem when windows and doors are fitted by someone who didnt really know what they were doing. Oct 25, 2012 · We have a damp patch on 2 interior walls in the living room. I have checked the loft and there is no leak in the roof that I can see. Window well leaks can cause significant damage over time, but don’t despair – you can fix this. If the wet spots only occur at the center of your carpet or in the middle area of the room, then it could be rising damp and more investigation has to be carried out. I ignored it initially thinking it might dry out but 2-3 years later it is no better. When it comes to ‘Salts’, they often get drawn out from a damp wall as the moisture evaporates from the surface. Had the roof repaired and that back wall re-rendered, and it seemed okay for a while, but the damp patches have returned. Jul 5, 2020 · The moisture readings of the wall between bathroom and damp patches show no dampness in the middle bit of wall but that could be because there is hard plaster in that bit of wall. All of 2 and repair walls - £3800 4. They absorb moisture in the warm months and when it becomes cold and damp, they dump them through the neighbouring brick work. Finding and fixing the damp issue Jun 10, 2020 · Hello,If this was a leak from above, water would physically be dripping from that area, this I think is a lack of ventilation issue, which you can resolve by doing the following, wash down the ceiling with a anti mould spray, once clean and dry, Fill the cracks with wall filler, allow to dry then paint the ceiling with an (Anti mould bathroom paint) 2 coats, then whenever you shower or bath Jul 20, 2021 · The damp patch had dried by the afternoon, and the roofer came back and checked the roof and the gutter, he could not see any sort of leak and his repair looked fine. These are created when water in your damp wall evaporates on Feb 3, 2007 · He said the walls (which prevent anyone falling off are damp and need to be repaired. Emulsion paint will not cover the stain. Defective pointing on the external wall pebbledash or render and leaks in plumbing can also cause penetrating damp. Roll on 2 months and a damp patch appeared on an internal wall-it was quite porous (looked like small pinholes). It does not go outside. A few weeks after decorating during some cold and rainy weather, some damp patches appeared in the new paint in the chimney breast area. Long-term Monitoring: Regular checks are essential to ensure no new issues develop and that walls are steadily drying. Choosing the right one depends on how much the damp is affecting your wall. Aug 6, 2011 · Damp Proofing A mouldy damp patch on the wall. we have recently fixed a Leakey chimney stack and sorted out what was a way in for the water however the damp seams to keep showing some days it looks much worse, I understand it could be salt but the Nov 2, 2022 · Hello, In May 2021 we had a new bathroom fitted. 16 AM. Jul 23, 2023 · Inspect your ceilings and walls; Once accidents have been ruled out, carefully examine your ceilings and walls for cracks, discoloration, or damp patches. It is on an external wall and we have no plumbing/pipes on that wall or indeed on the wall in the bedroom above. Unsurprisingly, as providers of trace and access services, we come across water leak in walls regularly. some, now dried, damp previously crossing the cavity because the door frame is set too far forward. . Depending on the extent of the problem, this could involve a small patch, a full board, or even a full ceiling. Condensation in lofts occurs when humid air makes its way through insulation or other gaps into the loft space and hits a cooler surface leading to beads of moisture on timbers, lintels and on the underside of the roof. The dampness seemed coming from the ground. When it rains the water runs down the between the pipe & the flashing Roofer is coming this week. – Visible cracks in walls or around windows May 12, 2013 · I bought this house back in february, there was a wet patch in this spot caused by a leak coming from the gutter. Sep 23, 2011 · Hi I have an early 19th century stone cottage, the internal wall of the gable end downstairs has lots of dark greasy patches of damp, it never gets mouldy but it doesn’t seam to go away either. But this small section of wall is. Penetrating damp is caused by water leaking through your roof. Nov 21, 2017 · A 'damp' patch on the floorboards, right in the middle of the room, with no explanation. Our buyers have had a survey done which says that the surveyor has found high levels of moisture throughout the downstairs. checking air vents are available/ not blocked and things like trickle vents in newer UPVC windows being open and providing a free air flow can soon solve problems. Jul 26, 2024 · 3. The previous owner had a DPC done on the external walls. The shower tiles are totally sealed without any gaps or cracks. If your basement walls are damp or there’s water pooling around your window well, it’s time to take action. It is currently about 3ftX3ft. a bridged cavity. Why is there a damp patch on my wall but no leak? Common Causes If water management systems like guttering or downpipes on the outside of your property look damaged or blocked then they are likely the source of the problem. In fact, one of the “pockets” is about one metre directly above the damp, so no doubt this damp area has Interestingly enough, on the outside of the roof we do have a solar panel that seems to line up with the damp patch. Jul 18, 2007 · The internal decoration was in poor condition and the (original) plaster was crumbling off the walls, so I chiselled it all off and had the whole house dotted and dabbed. Jun 11, 2016 · Morning all. Jul 20, 2014 · It is almost certainly rising damp and is very likely caused by that concrete slab acting as a wick and drawing moisture out of the ground (which is usually damp, so nothing wrong there) and transferring it to the inner wall skin due to no proper damp proof course being fitted there (or possibly the DPC is below the concrete slab level so the Feb 1, 2007 · Where is it in relation to outside walls etc? I've got a damp patch in the corner of my bedroom where the outside wall meets an inner wall. One small patch of the lounge wall developed a damp patch. Also, a damp patch on the wall can lead to respiratory problems like asthma and allergies and affect your immune system and make it weak. If you don’t know a plumber or are unable to get a recommendation from friends or family, comparing quotes online would be a good idea. We have a modern Lime paint from Auro, Auro 344 which is excellent, as well as a top interior lime paint from Graphenstone, the Ecosphere. Have used stain block on this previously but only works for a couple of weeks? Understanding Damp Patches Without Visible Leaks Jan 4, 2022 · We started seeing some damp patches on chimney breast wall both upstairs and downstairs a couple of years ago. Sealed the filler with SBR and then lined/painted the walls. The moisture reads high in an area about as large as my head, but above/below/beside that area, moisture levels are within normal range. If you’re struggling with these issues, learning how to treat damp walls internally can save your home and your wellbeing. Not even toilets are damp. It's also next to the bathroom where the vent from the waste pipe goes through the roof. There’s no water pipes on the other side of the wall that could be leaking, above it is a bedroom with no water supply, none of the adjoining external wall have damp, and it isn’t below 1m or a over the level of the doorway so doesn’t look like it Oct 26, 2023 · Damp patches on the walls are usually caused by penetrating moisture, meaning that water from outside is seeping through the exterior cladding to the frame and walls. How do I start to do more investigation? May 22, 2010 · A spreading damp patch has suddenly appeared in the garage concrete floor. it’s an internal block wall and around half way up in a couple of locations there’s random damp patches. 5. This is usually caused by defects in the outside wall, such as damaged brickwork and pointing. Better but not Jun 10, 2020 · Hello,If this was a leak from above, water would physically be dripping from that area, this I think is a lack of ventilation issue, which you can resolve by doing the following, wash down the ceiling with a anti mould spray, once clean and dry, Fill the cracks with wall filler, allow to dry then paint the ceiling with an (Anti mould bathroom paint) 2 coats, then whenever you shower or bath We have a damp patch in my daughters bedroom, that is in the middle of the wall. He gave me a couple of different estimates: 1. I noticed the corresponding patch of exterior wall is discolored. I have turned off the water to the tap, but the following morning, the outside wall is again damp. These patches will usually be concentrated around the area of the defect and may become darker and wetter when it rains. The paint flakes off after a week or so. If the pipe is/has been leaking, you will notice wetness around the pipe itself or a wet patch or watermark on the area below the pipe. Now we have explained what you should do first upon seeing a damp wall but what do you need to do to dry out a damp wall? There are a number of methods you can use to dry out the damp patches on the wall. On old leak caused a damp patch on a breeze block plastered wall. Even those rooms don't have this dampness. The damp is in the middle of the house, on the chimney breast. The rainwater cannot avoid the walls efficiently due to these defects and ending, causing moisture to permeate. The damp bits show up as darker patches on the photos. After purchasing a terraced house, I recently noticed damp on the internal living room wall adjoining next doors. Rising Damp. The water can run, or the moisture can spread, across roof beams and bracing down onto the roof plasterboard and down the walls. The bay area all round the other side is bone dry and it is just this section of wall where there is rising damp. Visible Mould Growth: Damp plaster can provide an ideal environment for mould growth, which may appear as black, green or white spots or large damp patches on the surface of the plaster . Visually they are unappealing and affect the overall look of your home décor. Which have been known to produce false positives. Jul 20, 2011 · Hi could you please let me know if your wall patches have dried and what have you done to solve the mistery, as I am having the same problem, at the end of August I have painted my lounge two weeks later two small patches as in the picture bellow started to apare, when pressing them with my finger they feel slightly damp and oily like substance one of them is worse than the other. Oct 4, 2024 · I hope people can give me some advice. If the foundation leak is stemming from a burst pipe, then you will likely discover extremely high water bills, even though your utilization of appliances is normal. 39 PM. – Damp patches on walls and ceilings, often appearing after heavy rain or prolonged wet weather. We have recently have the floor around it replaced due to a previous leak by a damp specialist, so not sure where the moisture could be coming from! However I guess it could be a pipe in the wall with a slow leak coming out of one of the walls. May 8, 2021 · Damp patches on the ceiling can be unsightly and worrisome. Gravity forces the water downwards. Nov 13, 2024 · Monitoring Damp Levels: After repair, use a damp meter to check for a decline in moisture readings on affected walls. 09 PM. Directly above the internal wall (adjacent to the fireplace wall) is open loft space - I’ve had a look upstairs and there are no signs of a leak. I have discoverd a mouldy damp patch on the wall of the room that is next to a shower enclosure. The water and moisture then cause damp spots which are by their nature cold because damp walls lose heat three times faster than dry walls. 3 months later, I redecorated the room. In that case, you must repair leaking pipes or fix a roof leak, install air vents or a dehumidifier to reduce condensation and increase insulation to solve the ceiling’s damp patches. Yes I'm 100% sure, there are no pipes nearby. Dec 8, 2021 · Mains water supply leak? I don’t think so. Damp or Musty Smell: If the plaster is damp, it will emit a musty or damp smell from the wet walls that can be noticeable in the affected room or area. How to spot damp patches on internal walls? Damp is the presence of Feb 8, 2008 · This in mind only leaves a leakey roof or condensation. My neighbours do not have any damp showing in their garages. Dec 21, 2020 · The first came around 24 hrs after painting. have checked all external render and guttering, no obvious signs or gaps. We even had a damp course done just incase but it still comes back. com Jul 31, 2023 · No need to worry too much if the damp on the wall is still slow to dry after it has been sealed. Please move to correct area if I've posted in the wrong section! We have a victorian house (1905) built property, its a semi detached house and the photo shows an internal wall which joins to Jul 27, 2021 · This water can then seep deeper and further into your walls as rainfall continues, to the point where the damp is capable of showing patches even through your interior wall covering. 25 PM. In our popular article on the Signs of a Water Leak, number 1 on that list was visible signs of damp on walls floors and ceilings. I have tried sealing with PVC but same result. Unfortunately, at that point my other half thought the issue was coming from elsewhere and They should never be relied on for any diagnosis of penetrating or ‘rising’ damp without clear confirmation of source. Damp Proofing High moisture levels in walls but no signs of damp. If the damp is minor, you may get away with drying the area out and redecorating. Jan 6, 2010 · The window isn't leaking and is a newish UPVC. We try to open the window in the upstairs room as much as possible but that doesn’t seem to help. I left it for weeks and it didn't seem to get much drier either. . For more serious damp, you will need to replace the plaster board. These patches usually come and go. Damp Proofing Damp patch on upstairs wall & ceiling. It gets worse when it rains 2. I am therefore, not sure if these are rising damp or a leak from somewhere else. I do not know where to look/what to do next. The 2 walls that have this problem are not connected as a door to the kitchen is in the middle. So, this is intensely inconvenient and could mean that your property is in danger of developing black mould, having your masonry degrade in quality and even take Oct 26, 2021 · Methods of Drying Out the Damp Patches on the Wall Oscillating Fans. This small section is in the middle of house, nearest water line in 2 room away. Damp stains can be difficult to paint over but specialist paints should make this job easy. Any idea what could be causing this? Radiator leak? The kitchen sink and washing machine is on the other side of the wall too but can't notice anything there Dec 10, 2009 · Since doing so, I've noticed damp patches appearing in the bottom concerns of both window reveals when it has been raining heavily - I hadn't noticed this before, however, i strongly suspect its been happening for some time masked by the old wall coverings. Aug 4, 2022 · List of possible causes damp patch on ceiling. I have looked at the internal wall and there is no sign of water. Diagnosing Damp Issues and Finding the Cause. They might feel wet or smell musty. I have had Sep 2, 2013 · Damp Proofing Damp on internal wall of terraced house and neighbour has no damp issues. Oct 9, 2024 · The room wasn't used. As can be seen from the pictures below, the damp patches start approx 1M up from floor level and are separated by the width of (what used to be) the chimney breast. Wet walls can cause a whole host of problems in your house, and can equally be caused by a number of different things, from penetrating or rising damp in your walls through to issues with your external wall or cavity wall’s structure and a possible leak somewhere in your house. Coat roof with acrypol and repair walls - £2000 2. When you’ve finished a hot bath or shower, for example, it’s normal to notice some droplets or damp patches on your bathroom walls. Wet to the touch doesn't only point to condensation, there could be many causes from rising damp to water coming in from something like a leaking down pipe or gutter. Oct 19, 2023 · Damp patches on internal wall. The plasterer applied a mist coat a few days later. We bought a house a couple of years ago there was quite a rush to move in. Oct 8, 2020 · The roofer having fixed one problem and then the incoming water being 'diverted' to another wall? The neighbours have no damp at all on their side of the party wall. Water leaks are one of the top causes of a damp patch on ceiling but in this article we will explore other possible causes and how we can help you. Aug 28, 2018 · Common Causes. Jun 23, 2023 · Dealing with a damp patch on your walls and can’t figure out what is causing it? Discover the most common reasons damp develops in homes. There are no water-pipes under the floor, or leaks from pipes in the garage. Apr 3, 2019 · In the case of a leaky roof, we call this penetrating damp because it penetrates the roof itself. What paint to use to cover water stains? To create a barrier that stops the water stain from showing through, you’ll need to use either a stain-blocking primer or an oil-based paint first. No, there are no leaks. 2. I got the plasterer back and he brought his damp reader. On internal walls, penetrating damp can create moisture patches. Once the plaster dried, I waited a good couple of months for the patch to dry before painting the ceiling, but the patch did not disappear. He had the house repointed, had the chimney flaunches done and fitted caps over the pots. Filled where required. Oct 10, 2024 · The wall covering the chimney breast was previously covered with old lining paper so I was not aware of any damp issues. if its a fine day get a hose pipe and spray it on the roof and look inside the loft for leaks. That area would feel damp to the touch, also will have a musty smell about it. A leak in the roof. Hygroscopic Salts attract moisture in the air within a room and create visible damp patches or make the surface damp to touch. Extended leaks may even lead to the growth of black mould in areas with excess moisture. Anonymous user 28 July 2013 - 5. 1) We struggled quite a lot with damp on the chimney breasts, but since capping the chimney Leaks: Regularly check for leaks and cracks in your gutters, walls and roof. Rising damp will only rise up to 1 metre in height and is not caused as a result of defective gutters. There is no visible sign of mold or water other than the readings I’m getting from my moisture meter. It does NOT touch the top (all our gutters and soffits were replaced last year), but part of it does go towards the window. Oct 18, 2023 · Roof Issues: Even if there’s no visible leak, there may be small, slow leaks in the roof structure that only allow water to enter during heavy rains or specific wind directions. Lime based paints are great for interior walls as the have a higher PH level as standard, which slows down the growth of mould on damp walls. 3 weeks later a damp patch appeared on the bathroom wall opposite the bath. Penetrating Damp: Happens when water enters the building from outside through leaks or cracks. Damp patches on the wall after heavy rain also occurred in the basement wall that was earthed as they were subjected to water table level changes. I have just noticed that I have a wet patch around my external tap on the outside wall. Regardless he used a thick bitumen paint to go over the whole metal gutter and any joins in the plastic guttering twice to ensure that there were no leaks getting in. We’ll also be covering condensation damp, how to repair a damp internal wall and DIY damp proofing. However, when condensation or dampness lingers or shows up on walls that typically have water nowhere near them, there may be a Dec 16, 2006 · Hi John, I had a damp proof firm come and take a look today and from what they can tell, there is a portion of wall where the damp course treatment has either failed or wasn't done at all. 23 PM. There goes all the Mar 14, 2022 · Damp on Walls 1 – Water Leaks. One thing though. This socket as you can see is halfway up the wall. At 1st Call Heritage Limited, we often encounter homeowners in Sussex faced with the perplexing issue of discovering damp patches on their ceilings, absent Skip to content 01243 379 295 Jun 4, 2020 · Damp patch on new plaster. Anonymous user 4 June 2020 - 12. 48 AM. We contacted the bathroom fitters 3 weeks later (so 6 weeks after fitting) and sent photos of the damp patch/peeling paint. Having difficulty diagnosing the issue with these damp patches on the internal walls where the chimney breast is on my 1930s house. The roof was leaking but has been fixed and this was the source of the damp and the reason for re-plastering in the first place. What could cause the sudden appearance of damp after a prolonged dry period? Anyone got any suggestions for tracing source or Nov 3, 2024 · You will need to have the wall opened and any damp insulation and any other materials removed and the framing given time to dry out. Walls upstairs are fine, no sign of damp. By the time winter turned up, the damp patches were back. Because there is no visible damage to the drywall or the wood. 4. First, you’ll need to identify the source of the leak. You can try solutions such as: ventilating the room well, use a dehumidifier, wait for the wall to dry completely before applying a new coating, check for any water leaks causing moisture to the wall. The chimney is no longer in use, and has airflow going through from the living room, with a ventilated cowl (added in 2020). esjysnaaejvfmilumxomuokgwnsnoelfeizcoifkhhibzkruxmexteazhhjkogasuktbsqzi