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  1. M

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

    Hi! Yep it's back again - as usual and just as the weather dropped. Will be removing plaster in the new year once we're done with another section of work in the house atm.
  2. M

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

    It's an EXTREMELEY strong mix - this was even remarked upon by the heritage-experienced pointing company that came to quote for repointing. Nevertheless - repointing is needed at some point, but will start with perhaps putting a dehumidifier in the nearby area to see what happens as the temp...
  3. M

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

    "Just remove the strap pointing in problem area." did you happen to read the rest of the thread? Does anyone have 7k to repoint and entire house? Re the internals. I would add a stud wall with insulation and Vapor barrier before boarding. But that’s in addition to what you have. Old houses...
  4. M

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

    Thanks for the reply - Yes, indeed stripping back is the ONLY way to know for sure. To answer your questions.. 1. Cement strap pointing. Traps moisture behind, causes spalling and possibly damp. We've had a quote for this already - it was in excess of 7k as the entire house was done in this...
  5. M

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

    Thanks for the info - I've read a lot of Heritage House advice and share their feelings with the DPC industry, only just having had 2 quotes from these chancers; over 2k to strip the ground floor elevation to the brick 1m high, inject DPC and making good again - my eyes glazed over when they...
  6. M

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

    Thank for the info - I've read a lot of Heritage House advice and share their feelings with the DPC industry, only just having had 2 quotes from these chancers; over 2k to strip the ground floor elevation to the brick 1m high, inject DPC and making good again - my eyes glazed over when they were...
  7. M

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

    Hi, I thought I'd provide a quick update on this - especially the calculations you've provided. Tuesday evening I noticed the darker patch appear on the wall again - checked the thermometer/Hygrometer nearby and it was reading 70% humidity (we'd just finished having dinner etc..) at 19 degrees...
  8. M

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

    interesting you mention this - my next course of action was to get a dehumidifier and have it in the general area where the issue is occurring and to see if the "dark" patch appears; i'm wondering if this might prove the same as your calcs - which would be worth doing too
  9. M

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

    The damp meter is telling me it's "wet" when I check, however, it doesn't look like the picture I posted originally (that's from the winter). The dark section is now gone. I'm just not convinced it's a leak, sorry.
  10. M

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

    It's a tanked out, fully functional living room with underfloor heating. Part of it is split into two storage "rooms" facing the front elevation - one is where the boiler is situated - and where the flue runs out towards the front (the damp area is above the flue). The other room is just a...
  11. M

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

    This may be a possibility - yes. Since there's a flue running through the wall beneath, it's possible that there's been work done in that area that required plastering - it appears to be pink plaster (Gypsum), I took the plug socket off to check. if I knock the wall below the tide line, it...
  12. M

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

    Sorry, categorically not a water leak, without sounding dismissive. otherwise I'd have a damp and wet wall right now - and I don't. As mentioned in original message - the issue appears during the cold winter period. That's it. It's currenty dry right now with just an existing tide line where it...
  13. M

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

    As you are in a terrace, I presume all the other houses were built with the same materials and techniques, at the same time. Are they all damp? Do they have damp patches, and do those patches coincide with, say, a kitchen, bathroom or downpipe? no damp anywhere else in the house please sketch...
  14. M

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

    Hi and thanks for your reply. It's a solid wall, but I believe from what I've been told it may be a rubble filled "cavity". As mentioned - this only seems to aggravate in the winter - it can rain for days and there's no sign of damp - which leads me to conclude that it's something to do with...
  15. 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...
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