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  1. F

    hygroscopic salts in chimney breast

    So i need to hack off all the plaster on that chimney breast to the brick, then sand and cement it? Does cement dry a grey colour? And can i just paint as usual? Sorry, im new at all this :)
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    hygroscopic salts in chimney breast

    Could anyone recommend a membrane to put on the brick before replastering please, something cheap and cheerful please :D
  3. F

    hygroscopic salts in chimney breast

    Thank you for your help. Thats going to be a big job isnt it? :rayos: What plaster would be needed to redo it? Would i need to have one of those damp membrane thingies on the brick before the new plaster goes back on top? Do you have any idea, the cost of the chimney being replastered again?
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    hygroscopic salts in chimney breast

    :risas2:, i must go and double check :reloco:
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    hygroscopic salts in chimney breast

    its gypsum plaster
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    hygroscopic salts in chimney breast

    Is soot contamination the same as salt contamination? How much will the membrane be for that size? Would i need to hack off all the plaster on the chimney and membrane it?:)Or could i just hack off that piece ive sanded and put membrane on? I wonder if membrane come in smaller sizes?
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    hygroscopic salts in chimney breast

    Hope this is clear enough. The damp patch is on the slant. Ive used a dehumidifier to dry it out but its still damp and tastes salty.
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    hygroscopic salts in chimney breast

    A close up of the chimney breast. Hope you can see the darker patch along the slant. The vent is also not on the chimney breast itself. Its always been in that corner beside the breast itself
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    hygroscopic salts in chimney breast

    This is a pic of the chimney breast. The paint has been sanded. Ive gone down to the plaster and have then used salt neutraliser spray. There is a darker patch between the slanted ceiling and chimney, thats where it is really salty.
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    hygroscopic salts in chimney breast

    tee hee hee, i had to investigate, it was so salty, you could have seasoned a few hundred curries with the salt content!
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    hygroscopic salts in chimney breast

    We've had a new roof put in about 3-4 years ago. The roofer has also been up and completely checked the roof for leaks and theres none at all.
  12. F

    hygroscopic salts in chimney breast

    There isnt a vent on the chimney breast but we do have a vent next to the chimney wall. Should there be a vent on the chimney breast itself?
  13. F

    hygroscopic salts in chimney breast

    Hi, hope someone can give me some advise. A few years ago we had the attic all replastered after stripping down the wallpaper. We noticed a damp patch on the chimney breast and just assumed it was the plaster taking time to dry out. After painting it and that damp patch coming and going, i did...
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