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Possible penetrating damp issue. (pictures)

Discussion in 'General DIY' started by Freddy86, 28 Oct 2020.

  1. Freddy86

    Freddy86

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    Hi all, not sure if this is posted in the right section however, I recently bought a house and wet patches are beginning to appear on some of the walls that weren't there when we viewed it. The walls have been painted by the last owners and since we viewed it we've had bad weather. I'm thinking that rain is getting in from maybe holes and cracks from the bricks outside. Is it possible to to fill in any holes/cracks seen and maybe use a damp proof paint on the area inside before painting it the colour we want? Or is it a more complicated job than that? Thanks for any advice.
     

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  3. KenGMac

    KenGMac

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    Freddy86, good evening.

    how old is the property? and have the cavities been retro-filled with Insulation??

    Ken
     
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  4. foxhole

    foxhole

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    Around windows often a poor seal on frames.
    Exterior pics are more helpful, we all know what a damp wall looks like.
     
  5. Freddy86

    Freddy86

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    Thanks for the replies. I'll get some photos of the house exterior, it's not in the best condition as the house is a 100yr old end terrace house. There some cracks in the pointing. There is insulation in the loft however I'm not sure about walls. The pictures are of multiple rooms but all the damp spots are on the other side of the exterior walls. The house has been empty and I'm guessing no heating been on in a while, would this have anything to do with it?

    I've been thinking about filling in any cracks outside I can see and then apply some strom dry seal to the brick work. Then applying some damp seal on the interior walls before painting them. Would this be a good idea?
     
  6. Freddy86

    Freddy86

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    This is an upstairs bedroom and it looks to be coming from the loft or roof. The loft floor is covered in insulation so I'm going to move that and see if I can see anything.

    Under neath this room is the room with the damp patches underneath the window sill. Could this be connected?
     

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  7. KenGMac

    KenGMac

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    Freddy86, good evening, again.

    Suggest if you can begin to heat and vent the house, let this action carry on for a while and see what happens, as for internal "Damp Seal" IMO no, there are potentially better solutions.

    As "foxhole" above external images could assist.

    Ken
     
  8. Freddy86

    Freddy86

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    Thanks Ken.

    Would I be able to paint over this damp patch then? As I am in the middle of decorating and I have left this wall to do due to these 'damp spots'. I have left the heating on overnight.
    Thanks again
     
  9. Mr Chibs

    Mr Chibs

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    Take a photo of the exterior brick please, at around 100 years old, more than likely It’s solid brick construction with no cavity/insulation.

    If that is the case, poor pointing could be a factor.
     
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  11. Freddy86

    Freddy86

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    Here are the outside photos requested.
     

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  12. Freddy86

    Freddy86

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    On the rendered one those nails line up with the damp patch in kitchen and also had small holes near and around them, I've filled them in already and I'll see if the patches get any better with heating on. The second photo is underneath this window sill in living room: IMG_20201029_101525.jpg IMG_20201029_101521.jpg
     

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  13. foxhole

    foxhole

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    Is there a parapet wall on the roof?
     
  14. Freddy86

    Freddy86

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    No I don't believe so foxhole
     
  15. Mr Chibs

    Mr Chibs

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    Didn't think the pointing looked that bad, seem much worse.

    Notice on one of the pics, there has been DP injection before, so assuming it could be a recurring problem.

    UPVC windows in a wooden frame... wonder if this could be allowing water in, and round?

    Hard to tell about cavity, looks like you might have one, but the painted wall, looks like there are bricks sideways, every 6 courses, so could be solid brick.
     
  16. foxhole

    foxhole

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    Does the house roof step down in relation to neighbours like those across the street.?
     
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