damp

  1. D

    Damp stains and leakage in a newly built house

    Hi there, Since we moved in to a newly built house we noticed annoying damp stains, patches and the paint crumbling in a living room floor are - you can see it from the staircase. We've been trying to establish the potential cause of the issue and we failed. Had a plumber testing our boiler...
  2. M

    What to do with this very tall concrete plinth?

    Hello, About to exchange on a property and the damp survey has suggested removal and replacement of the damp proof course that goes around the house. It is a solid brick wall and it is assumed there is a slate DPC hiding under there. Now from my research most people say to remove it but its...
  3. A

    Damp pebbledash after rain

    Old 1902 house. Recently moved In and just had the first heavy rain. Concerned how the pebbledash seems to soak up the water. I’m aware the gutter needs looking at directly above the down pipe but I can’t figure out the other patch’s other than them being near a structure door window etc…...
  4. R

    Do I need to remove rubble or put in ventilation - or both?

    Hi - I've got an issue with a damp smell although no obvious mould anywhere. I've had a company in to test the whole house and they have suggested some work to be done. I know I need to improve the underfloor ventilation in the hall (currently none) but do I also need to remove the rubble...
  5. 1

    Expanding Damp Patch on Bedroom Ceiling

    Hi, I moved into a new property about 4 months ago, soon afterwards i noticed a small brown mark in the corner of the ceiling but thought nothing of it, recently I noticed that the patch has grown considerably and is damp to the touch. It seems to have become more severe since we had our boiler...
  6. J

    Excessive damp around uPVC door frame

    Good afternoon, I've seen a couple of similar posts on here but I'm still can't work out what's going on here. As you can see from my attached photos, there is excessive damp, mid height around my back door frame. The external brickwork has been repointed recently and looks watertight. The...
  7. H

    Efflorescence on floor - DPC/DPM breach

    Had some building work done last year include new French doors. Have been saving up some more £££ to finish the room. This winter I’ve noticed a patch of efflorescence. It didn’t happen last year. Seems a bit odd. Are there any immediate actions I should take? The second photo is under that...
  8. C

    A reliable damp-proofing paint/liquid coating that does not require plastering/screeding?

    Afternoon, all. my detached garage sits below the ground level of the garden and acts as a retaining wall towards the rear of the building. This has resulted in some minor damp ingress during wetter times of the year (mostly at the internal corners). I'm looking for a product that I can paint...
  9. laura94

    Damp/mould in utility cupboard - leak or condensation?

    Hi all. We moved into a new build flat 3 years ago and have been having issues with damp and mould in the utility cupboard from about 3 months after we moved in until now. When we originally brought it up with the builder they told us that there was a leak coming from outside where a drain...
  10. P

    Loft Insulation Sanity Check: Rockwool or foil? Ceiling or rafters?

    I think I've got myself confused between two discrete options for insulating our house, and could do with another opinion … I'm in a late 18th century terrace, 550-600mm stone walls with rubble infill and a pitched slate roof. It's a cold house, and I'm wanting to insulate it as best I can...
  11. C

    Air bricks above floor level feeding into cavity. Why?

    I've recently purchased an '80s semi-detached bungalow and currently in the process of renovation. Originally, the property was heated via a warm air system and water heater, but this was replaced ~10 years ago with a Combi Boiler CH/HW system. In the kitchen there is a cupboard in which was...
  12. W

    Damp issue in 1900's building with strange ventilation setup

    Hi all First post here. I've searched around everywhere for someone with a similar set up to my place and found nothing so had to ask for myself. I have a ground floor flat of a converted pub built circa 1905 and converted in the mid 90's. It's solid brick wall construction, single glazed...
  13. R

    What Prep Needed Before Painting?

    There is one wall in my kitchen with patches of bubbled, flaking paint. It looks like damp, except it's too high and inconsistent for rising damp, there is no pipework above for possible leaks, and it's far away from the boiler, stove, and kettle so don't suspect condensation. It also hasn't...
  14. T

    Internal wall crumbling, pipe behind wall has turned green but is not wet. Ideas?

    The top corner of my kitchen wall started to crumble a bit. I used a paper scraper to remove it. There is a radiator/water pipe behind this section of wall. The pipes have turned green but are not wet. In fact, nothing there appears to be wet, but that corner of wall is almost dust now. I have...
  15. T

    Damp Sub Floor - The Saga Continues

    We live in a Victorian semi. When we moved in i immediately identified a problem with damp under our subfloor. The ground (and it is literally soil under there) is coated with a white mould and Is damp to the touch. Luckily we have between 3-5 foot of crawl space height depending on where you...
  16. I

    Blown render or something else?

    We live in a Victorian terraced house and our neighbour has come over saying the render has blown near the coping stones right at the top, in between our houses. Turns out they’ve had terrible damp in the kitchen for 5 years but only mentioned anything a few months ago. He came over today saying...
  17. M

    Isolated DAMP issue on front elevation 1875 mid terrace (Yorkshire)

    I'll try keep it as brief as possible as I could go on on.. I'm having an internal damp issue on the front internal wall (north facing). See pictures of internal and external. House built in 1875. Yorkshire stone build. Damp ONLY occurs in winter, coincidentally when turning the heating on...
  18. sammerz

    Garage conversion floor / wall detail

    Hello, I am designing my detached garage conversion, it’s a single skin brick building on a solid raft slab. I’ve had a look on multiple previous posts and cannot find a specific answer. I’ve post here and in the ‘building’ forum, not sure which is best. I am need of advice at the wall/floor...
  19. sammerz

    Garage conversion floor and wall detail

    Hello, I am designing my detached garage conversion, it’s a single skin brick building on a solid raft slab. I’ve had a look on multiple previous posts and cannot find a specific answer. I am need of advice at the wall/floor junction to ensure I do not get damp issues. My design is largely...
  20. L

    PIV or humidity fan?

    Hi guys I have an issue in my kitchen that a surveyor says is a failure in my damp proofing & my damp man says is only moisture. Its in one corner of my kitchen and 3 sets of solid oak worktops have bowed. Its now starting to make my metal fireplace in the adjacent room go a little rusty. Its...
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