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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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Washing walls prior to PVA-ing, plastering or painting
Hi,
This sounds like really stupid question - but bear with me... How pedantic would you be in washing off the old wallpaper paste after wallpaper stripping, especially on ceilings? Obviously, you wouldn't just leave it on in lumps. I haven't come across such slimy gooey paste before - and I intend to contribute to the wall paper stripping wiki in due course, so I'd like to give best advice. Scenario: Celing paper strips easily with steam, leaving bare plaster and painted plaster. More steam and a scraping blade takes off 90% of the paste very quickly. An immediate wash with hot water and a drop of Flash takes off a bit more quite quickly, but leaves a thin film of slime that takes inordinate amounts of hard and repeated washing to shift (as in double the length of the job). So far, I've been washing it to the point where there's a hint of slime whilst wet, and when dry, you can see a faint light haze in patches, but otherwise you wouldn't know it's there. Washing it off 100% will probably take as long again (quadruple the original paper stripping time) as it's an absolute bugger to shift - moreso on the bare plaster than the paint. ---- Do you reckon this is: a) Good enough; b) Too good and I could have stopped after the first scrape and quick wash off; c) I need the plaster to be crunchy clean - as in feels rough when wet. ---- I'm rather hoping it's not c) - but if it is, then I'd better do it and recommend accordingly in the wiki (which should, IMO reflect best practise, but I'd rather be practical rather than perfect about it... Cheers Tim |
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