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  • Not needed for a key, but worth running a RO type sander or a big flat sheet over it to knock off any small dross thats latched itself on there. Easier to spot once its got a guide coat/mist of paint on it any defects TBH.

    Fixed a 140 year old wall recently that I thought for sure was a gonna. Utterly done with having to rebuild every single wall I come across so thought I'd try chemically stripping the old wall paper gunk, chipping off the CEMENT that had been used to fill the bigger patchs, then in the loose areas just flaked them out, tied back to lathe, bonding and rebuild with minimum materials. Paint, easifil, sand, repeat until good. 1 day = 3 decent sized walls saved and looking as good as when they were laid in 1880. Instead of around 3 days of effort to strip back and rebuild in modern materials.

    Tip, buy a desiccant dehumidifier, makes working in winter warmer, makes working the rest of the year a lot drier = materials dry like they say they do on the tin, not half a week like it ends up being in the 80% RH that UK seems to have all the time.

  • Thanks, I don't have a RO sander. I haven't seen the plaster yet (for my in-laws). If it looks and feels good I'll just mist then fill and sand, if not, I'll sand, mist, fill, sand.

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