Where The Hell Is This Damp Coming From?
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- Опубліковано 15 гру 2022
- Roger is called in to troubleshoot another damp problem.
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#damp #home #diyhacks
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Do hope you do a follow up on this would love to see the results of your findings and the fix. 👍
I will wait and see if they accept my quote. Insurance company might be involved
Just watched a video yesterday where a resin coated bladder sock was used inflated to create a sealed pipe! As long as there isn't a great big cavity!
Me too.
What a nightmare.
Might be no dpm on that wall. For it to be lealikig pipe would still mean dpm is compromised. I would recommend strip plaster of that wall 1m high and render wall with waterproofer in it and skim finish.
@@chubbygallasso "I would recommend strip plaster of that wall 1m high and render wall with waterproofer in it and skim finish." SMH - this is exactly what this channel is trying to avoid - this type of bodge. Fix the problem not just the standard old "1m and render it" stupidity. Honestly, what a dumb comment.
There's a lot of problems here that Roger hinted at - if the wall is damp but dries out when you scrape off the surface then it's probably the surface that's the issue. In this case it's probably modern plastic paint and maybe gypsum plaster holding in the moisture. Somebody removing a suspended floor and filling it with concrete is another red flag - this along with the plastic membrane is just going to push any moisture into the walls. Next is the tiled wet room, again there's nowhere for moisture to go unless the ventilation is spot on. Now add on the cement pebbledashing on the wall exterior and the cement pointing which won't help either. Checking the drains is good though as they are often faulty. Sometimes the question is not so much "why is the wall wet?" but "why is it not drying out?"
Yes well spotted you're bang on.
A lot to go wrong in this case.
Agreee with you here Jannen - good understanding of what is really going on.
.......and minor cracks in the external render allowing moisture in. Cement and stone are a match from hell!
Just had a similar one. Replaced the solidly blocked drainpipes because of tree roots, dehumidified, and installed plastic dpc 3 bricks at a time and still two awkward walls not drying properly. Turned out the old lead main had a constant leak under the concrete floor behind the kitchen corner unit. Looking much better now. Sometimes damp problems are best solved with your ears, rather than a damp meter.
Fascinating detective work!
People always assume it's rising damp and never check the pipes!
Thought he would have checked to see if there were any pipes in the wall with a detector first…
@@metalmicky
Those don't actually work
@@42RHD That’s a bit of a sweeping statement , there’s plenty of pipe detection equipment available that is perfectly functional for this kind of situation that is easy to use and very accurate.
Rising damp is pretty rare, usually only found in old houses. Those stud/pipe finders, I’m a plumber and I bought a quality one. Sometimes it would say there was something there and there wasn’t, other times it would say there wasn’t something there, and there blooming was. Chucked it in the skip in the end
@@nicholascarter2640
I looked into getting one of those but couldn't find one anyone seemed to think was worth the money.
I just wanted to hang a mirror over a fireplace and I knew there was a central timber stud there because we put it there for that reason over 20 years ago, but I wanted to be sure and locate it.
In the end I used a neodymium magnet.
It won't find the wood, but it did find the screws that fix the plasterboard to the timber.
This was fascinating. Thank you for sharing.
I’d love to see an update.
Coming soon!
Hi Roger, I have been enjoying many of your videos, this one caught my eye because in forty years of roofing plus another fifteen in general construction damp has been a constant cause of trouble for many people. Being of a natural disposition to curiosity I have always wanted to know more and tracing the source of leaks in roofs turned out to be relatively straightforward!, when water is actually running enough to be seen it is usually quite easy to trace back to the source. Damp patches on walls on the other hand can be much more difficult, it was not until I discovered that in most houses the primary cause of low damp patches is heat loss!. When too much heat escapes through the wall the consequent cold patch gathers condensation!, this is quite often associated with a wet bit on the wall outside caused by blocked or leaking drainage or overflowing gutters, this wet patch on the outside will dry out when the rain or drain stops and in doing so draws a lot of heat for evaporation. Most ordinary people just assume that the wet on the outside is passing all the way through the wall tom the inside but in my limited experience I have never found any evidence, in total flood conditions liquid water will go right through but for a small patch of wet on the outside tom become a larger patch of damp on the inside seems somewhat improbable!
While writing this I was listening to you and the stand out feature was your repeated injunction to avoid hasty conclusions, getting new ideas about where to investigate is one thing, hanging on to the first idea just because you are in a hurry and might be lucky fails far too often!. Nothing good gets done in a hurry!.
Cheers, Richard.
04:24 - A lovely house builder going by the name Gleeson failed to connect my soil stack rest bend to the inspection chamber outside. A few months after moving in I noticed a weird smell from downstairs toilet area. Put an endoscope down the toilet sink and found my shit sitting in the waste pipe for the sink. At the end of the rest bend they found hardcore so the waste had nowhere to go except up and back into the house...
I remember Crawley Council's plan to build an entire housing estate (which they did) on a rubbish dump landfill just west of the place. There was the usual excuse of a 'public consultation' and I wrote my worries to them - subsidence, the poisons that will be in there (even if supposedly, theoreticaly none was ever dumped there) the movements of different materials towards the surface, gasses and bacteria buildup, etc etc - they wrote back saying there was no evidence for these issues being a problem - yet the National Geographic had on its front cover some years ago a photograph of the tyres etc. migrating up around/through a runway built on a dump in the US and an article on the problems was there to explain the detailed and problematic findings - what possible more proof could one ever need? The mind boggles as to the stupidity, short-term thinking and corruption in the UK.
Well there's a cliff hanger!
Thanks Richard
Great advice 👍
Absolutely on the mark, I had a terrace house with an extension bathroom damp problem. It turned out the toilet wasn't installed correctly (no seal fitted) and every flush was adding to my rising damp issue!
Would you not smell that? Or do you mean the clean water was leaking before it got to the bog?
Would also love an update on this one - it is often a challenge when inspecting things like this as there are often so many things to distract you - like you say - don't jump to a conclusion, be methodical. Would be great to see how this one turned out - fingers crossed you get the job on this - they should be suitably impressed by this approach.
I will come back to you. I begining to think there is a second manhole but I need a better camera to look at it.
Wish I had a builder like you when I bought my first house 30 years ago. Damp was detected , had to have an obligatory injected course due to mortgage conditions. Got the usual useless piece of paper certificate from the damp company that probably went out of business straight after. House continued to suffer damp, it had new expensive uPVC windows looking back, there was no trickle vents, our house was hermetically sealed, hence the damp.
Good advice here - "dont jump to conclusions" and sometimes one has to adopt a process of elimination. No doubt there are those that would have diagnosed "rising damp" at the drop of a hat so its good to see a more logical assessment.
I pass an estate near Caerphilly built on a rubbish tip. I was a boy when it the tip was closed . Now I am 60 amd I do wonder if people know what is under their houses.
Keep up the good work Dodge 👍
Interesting! Any pics or videos of what was found after digging around the potentially cracked pipe? Cheers
Not yet but it might be my job.
Loving the video Roger; it is really informative.
Hi , Roger, I was a plumber time served, for forty odd years, and part of the job was the detective work, who, what when ,where, and all that, enjoy still watching you combat these problems, have a good Christmas roger.
Hi Stephen
I love trying to solve problems but it is the quickest way to the poor house.
Looking forward to part 2 Rog
Roger, You might find a FLIR Infrared Camera a help to spot hidden leaks + a Wallabot to look into walls. If these show things then an umbilical cord camera with drilled inspection holes and / or a camera snake in the drains should tell you the whole story.
I love a bit of building detective work. I used to love listening to the Fix it Phone In on LBC back in the day - your programmes were great and I’m now a building surveyor!
Hi Matt
That is good to know. I have an occasional spot on Radio 2 now and we are planning new things on the channel
We need you back Rodger on the media every week you’d be chockablock entire UK, is desperate for that format of a show, radio, media or press. Let us all know when and where.
One of your most interesting videos.
The first thing my Grandfather did before any of the family bought a house was to check all the drains...he was a foreman at Cubits.
I remember Cubits
How/where do you check drains? (I'm buying a home soon)
@@Lili-xq9sn
probably best get a specialist building surveyor
Had exactly the same problem. problem came apparent when I installed that water saver kit in the cistern. Now there wasn't enough water to flush down the sewage. Because the sewage pipe had many leaks in it. Around 50% of the water was going down the breaks in the pipe. End result was there wasn't enough water to take down the sewage. Hence i would keep getting blocked sewage pipe. When a blockage would happen i'd get a similar noise to what you were getting there. During the soil pipe replacement i found many crevices where the old pipe was broken.
What a cliff hanger! What was the issue then? Did Roger take the bulldozer to this place as well?!
Dealt with an issue in NYC where chinese contractors installed a toilet without a floor gasket and this was in a commercial building. It is amazing how bad contractors can't or won't do the simple basic things.
At my workplace I just found the source of a years' long pesky leak. It ended up being a wall-hung toilet (WC) leak at the gasket. This water migrated horizontally about 7-8 feet before dripping through the floor. It helped to have both and infrared camera and an inspection camera on hand.
I miss read that as a ‘well hung’ toilet and got very confused 😂
@skillbuilder have you upgraded your inspection camera from the one you did a video on a year or two back? Can you give us a link to the one you use now as I'm in the market for one and would appreciate your recommendation!
Well that left us feeling somewhat flushed but unsatisfied!
another conundrum solved ..............I solved a similarly mystifying lower wall damp issue at my in laws remodelled coach house - The builder step sons were mystified but I reasiled that they had blocked up a once exterior doorway ( now within in a conservatory) without realising there was no old DPC under the threshold ( wasn't needed as threshold damp would evaporate to air) . PS My father in law, an egotist still takes the credit for solving it 🤐
Roger, what’s the make and model of your inspection camera please? Would you recommend it ? Looking at units like that and also ones that use the phone as a screen .. they all seem to have mixed reviews !
Rising Damp?
“Suppose you come from an old family.
Yes.
Yes, born to it. It was the same in war time. You know, my old captain, he came from a good family. Not like these tuppenny ha'penny 'gentlemen' you get nowadays. He always carried a walking stick. Smoked a pipe. I never saw him ruffled. Whenever Jerry opened up he'd just lean on his stick and say ' where do you think yhat is coming from, Sergeant?' Everyone else would be diving for cover. Not the captain.
What happened to him?
...got blown up by a shell.”
Yep had leaky toilet boss before , took ages to find leak , also currently working on repointing n renovating Victorian building that had been cavity filled then evidently ,years ago cavity infill was taken out , just it wasn't taken completely out. They missed big areas now evident inside as of damp tracking thru . Horrible stuff
Good video. Very interesting
Saw a similar thing on a flat conversion on a house in Woking soil stack wasn't draining into the chamber, they started uncovering the pipe from the manhole to the stack the pipe stopped short so they carried on digging the trench towards the stack too slow for the bad tampered foreman who took over the digging just in time to uncover end of the stack which discharged itself all over his feet I might have sniggered
Ive had a few houses putting in foul pipe with admittence valves externally. I was wondering if you have come across any of these types of vents failing and pulling waste back into the house?
Ranting Roger morphs into Inspector Bisby! Looking forward to Pt2 - the resolution.
Can you make a video on whether it is worth it to externally wrap a house in insulation that has already had its cavity pumped full of insulation? Thanks.
Good detective work!
Interesting job SHERLOCK just went through similar detective work about 3 months ago dug up 5 metres of garden by hand to fix broken clay pipe Few years ago local pub complained about smell coming from next door to pub after investigation they found a basement half full of human crap. Seems they had a flat upstairs that had a soil stack running to basement that was not connected just an open soil stack. One of those big trucks that sucks everything was parked out back for two days what a stink lasted for week or more. The joys of the plumbing world for some.
The damp...it...it's...rising!
Leave it on a cliff hanger why don't you! You've got to follow this up.
Seen similar problems in the back wall of an extension where the builder has put the new extension floor over an old gulley that took water from the kitchen or bathroom of the house's previous configuration.
Thanks for that, I am begining to think along those lines now. I need to get a better camera up there.
Could be another inspection chamber under the floor in the extension which used to be out side ?
That is a very good thought, I will stick a better camera up there first.
@@SkillBuilder Any cameras in mind up to the job?
Love these jobs and any sleuthing work Roger, especially when it involves damp!
The rendered bit looks odd. Why the brick plinth - a previous attempt at resolving a problem, maybe? Is it cavity : if so, was the cavity maintained when that doorway was infilled? What about the solid to cavity junction internal detail?
Please do a follow up, Roger. Great vids as always.
Will do
Interesting video
Roger, had a burst pipe in the loft of my daughters house. No plumber so fixed pipe myself, no real damage downstairs and insurance can't start work this side of mid January. So pulling out wet insulation that got sprayed myself and dehumidifying and heating to get place dry. We were lucky as daughter in so mains shut PDQ. It involved pulling up loft flooring near the leak as water did get under the boards and came out of a numerous light fittings, smoke detector and loft hatch close to burst pipe.
I am finding under the loft flooring damp or condensation on underside if the flooring as it the moisture just shy of forming drip bubbles. This in an area where carpet was dry, not from water spray, not related to the leak.
I am finding this in an area I carpeted using old underlay and carpet from my house.
I think it is the underlay preventing the house breathing as the side of the loft without carpet is dry.
It could also be that I put the flooring down over 8" of insulation so there is no gap between the boards and the top of insulation for air flow. Board touches insulation.
I am going to take the underlay out and pull all the flooring a section at a time to dry it off and let it air.
One question. Should I pull out half the insulation under the flooring to leave an air gap?
Loft is not a living area, storage only. Carpeting just to protect daughters feet as flooring a bit of a mix between chip board, chip board flooring and a wooden laminated board, some legacy from 70s.
James
Once the loft dries out completely things will be clearer because the humidity will normalise. If moisture is migrating up from the house you do not want to trap it on the cold side if the insulation. Carpet should be fine but the rubber underlay is probably not helping things. I wouldn't pull out the insulation. You could put in some floorboard legs so you could get more insulation in there but I wouldn't bother with the air gap because there is no real air flow there.
.www.loftleg.com/?gclid=CjwKCAiAnZCdBhBmEiwA8nDQxSqnVPtP_uIya_1JWlrrmkFmXJal3Hq3BXP14uIpIa2axALtI84q-BoCZUIQAvD_BwEloftleg
@@SkillBuilder Many thanks Roger. Will do will follow your advice. Humidifier on in loft until things settle down. I have half the underlay out, the rest I will remove when I have replaced legacy flooring and insulation that I ripped up to get the water leak water dried up. Once done I can move all the stuff stored up there to the leak end and get the remaining underlay out. Then it will be a case of lifting flooring and drying out the condensation on underside of flooring.
I blame the idiot who put the underlay down....which was me.
House Whisperer video could have an Our Tune theme to let people down gently.
Hi Roger,
I loved all your videos over the years, Keep up the good work.
I have a problem you might be able to help with. I have a Ferroli optimax HE25S gas boiler it’s about 12 years old now. The mother board had a intermittent problem, it would stop for no reason. I’d take it out look at it (no signs of damage) and refit It. It would work for years, I thought it was a cracked PCB. However I ordered a new PCB (DIMS23)for a UK supplier and when I fitted it comes up with an error code F37. No program book came with it and the supplier has no idea. Would you or your contacts know how I can change the program or have a programming book?
Many thanks and a happy Christmas to you and your!
Is the chase filled with bonding.
No lime plaster
Has anyone told you that you look like frail Gordon Ramsay, before?
Can you line the pipe or do you have to dig it up and replace it?
Good point
Dig it up
As is often the case the best way and quickest in the long run is usually the hardest way.
So what was the cause and where?
Left us on a cliffhanger there Roger, when's the concluding episode?
If and when I get the job to dig it out
Problems start 1 min in. Retrofit of concrete slabs to old houses is well documented to cause moisture migration into walls. Plastic based paints exacerbate the issue. Couple that with cement render and damp issues are all but expected.
At least you’re not suggesting dry rods, tanking etc as a magical cure.
Could easily be high water table too depending on the geography.
I cannot believe you had your bare hand in the manhole
Talk about leave me hanging. Lol
Would there not be a bit of a smell if it was sewage causing the problem?
It would seem so but the ratio of water to poo is unknown at this point
Did you find out where the problem was? Was it a cracked pipe?
Crack pipe? What’s that got to do with anything?😊
@@jasonantigua6825 Nice work 👍
could be condensation if its dried up
Ahhhh Inspector Bisby
How did it end ??
Leaking drain
@Skill Builder sorry, missed that. (Hence the noise underground then). Rare one. Great videos chap.
It's looking like the whole country is a rubbish tip... 😁
One reason why building on agricultural land is madness. The current planning rubber stamp operation will create many future problems.
Not just damp
Very true as field drainage may still be present new estate near me had six gardens from this
You can leave us like this, can you? What happened with the pipe? Did you dig it out?
I have reported back to the client and they might give me the job of the dig out but insurance companies often have their preferred contractors. Not a great job to do so I am not worried either way but I will try and get some pictures.
I tend to turn down leak finding jobs, unless they're glaringly obvious. Customers don't like paying £400 - £500, especially if I can't find the source of the problem & have to charge for my time anyway.
AVOID.
Hey Roger! .... You getting into the Demolition Business Now! ?? .... Just a Thought! 😂😂
Probably saved the householder from the damp scammers. They’d be tanking or false walling the problem, property would eventual been ruined. Just proves that dampness can take a long time to assess and pinpoint and most contractors just don’t assign the time and most they just cannot be bothered when are plenty of cover up options.
I wonder if Rodger could examine EPCs or Energy Performance Certificates they are in my view a complete sham particular on older built properties the council 70s types. I’ve and interesting report carried out on block of flats that got assessed to be EPC C, and yet the previous report fails the block based on thermal bridging.
That is a good suggestion. The people who issue them often just do a training course.
@@SkillBuilder I will get round to sending you some data on the subject. More to that block of flats 70s built ones Woodside, Glasgow. All with a legal representative but I’m sure you’ll not prejudice any possible case. Noted that most of news stories relate to damp and mould in deck access council built estates?
Hi Roger. I was at a property yesterday and the complaint was water droplets on the wall above a double glazed window. I assumed condensation as it has been - 4 here recently. when I went there was no water and the temperature was about 2 degrees. there was quite a bit of condensation around the window frame. I wondered what you thought?
I reckon it is cold bridging on the lintel but they need to get the humidity down,
@@SkillBuilder Ah right, hadn't thought of that. Thanks.
If it’s a concrete floor, the plaster should be divorced from the concrete floor,
@SkillBuilder a youtube video idea for the debate on rising damp. create a model section of a typical house wall and then stick it in a big bucket and submerge the foundation up to the first brick. then leave it 6 months and see what it's like. see if the damp can rise. stick a clickbait title on her and she's good to go!
I don't have a debate on rising damp, I know it exists. Only a half wit would think that all those damp proof courses put in every building since the 1920,s are for nothing. As for lab experiments I have been to the BRE and to Safeguard Europe's labs and seen rising damp test rigs. They have around ten going at any one time and monitor all the results using different treatments.
@@SkillBuilder thx for the reply
@@SkillBuilder sometimes it is the case that people do things a certain way because "that's how it's been done for 100 years" but when it comes to actual empirical experimentation the results are surprising
Blimey! Knocking houses down because of such issues.
Is sounds drastic Hannah but the houses were built in terraces on rafts and there was no way to underpin that one house with it still covering the raft. When they drilled down to pile for a new one they found bales of paper. It was cheap land that should never have been built on but I made a fair amount of money on that estate with all the sinking drains.
@@SkillBuilder Your knowledge is epic!
Er - this video just stopped?
Our Liz has a few damp issues,so she does
Wear some gloves 🤢 very risky working in an inspection chamber without PPE
I wouldnt mind being a builder, except for sticking my bare hands down a poo hole in the garden. :/ No way im ever doing that haha.
Rats are the only surprise down there
That's a bit sh*t
Proof again - no such thing as rising damp.
So if the damp rises, as it did, what do you call it?
@@SkillBuilder a leaky pipe
@@mattsan70 your a leaky pipe
@@SkillBuilder Rising effluent. 🤮
have you got eye liner on lol ya puff lmao
Hi Tim
I do not have any eye liner on but thanks for the tip. What make do you use?
@@SkillBuilder I'm not to sure of the name, ask your wife x
0:30 had a little what 😂
Just had our ASHP bill in for one month, £465,00 , take my advice, run a mile from them.
I hate soil pipes under concrete floors when there is no access . They should always be external in my opinion 😕🧱👍🏽