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  • Will post pics tomorrow but i have window reveals that have blown plaster in a few places round the window frames (steel crittall) hacked out the soft stuff and the rest of the plaster looks and feels fine and the masonry isn't crumbling.
    Think the problem was made worse by a couple of bodges, one where the lining paper/paint has obviously lifted and bubbled so it has been badly cut back and then filler and painted over, on scraping off the remaining paper and filler i got to the brown fluffy paper that's hard to strip and some black mould, the paper obviously held on to moisture which didn't help.
    Also the top light has been badly siliconed as a remedy to draft proofing but has only made the problem worse, i could see grey fluff around it which suggests dirt from outside getting in between the gap along with water blowing in (we found a small puddle on windowsill after the wind/rain) stripping the paint off and the silicone has already made the window shut a lot better.
    Main point is what to fill those gaps with? seems a bit too deep to just fill with easyfill or plaster. Cement?

    I'm going to leave them to dry out if they can as the exterior of the windows are being done in a couple of months (6th floor so nothing i can do myself outside) and the reveal will be skimmed in the coming weeks.

    Think there's going to be a few more questions for this thread...

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