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  1. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    So, what else do you think might have caused the problem then?
  2. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Let’s be honest, you wouldn’t have told me anything in any case.
  3. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Do you think that’s the cause of my problem then?
  4. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    What’s your point? I asked you for advice, you’ve clearly got no intention of giving me any and now you’re getting all arsey at me? Is this how you always spend your free time? If this is where your 35 years of experience has lead you I doubt it’s worth hearing anyway.
  5. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Existing wall. Any idea why it’s only happening on the wall and not the ceiling?
  6. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    In all fairness, no. My view was that, as it’s there to kill the suction and re-emulsify when the plastering begun it wouldn’t matter if it had been left for a week, bit like the pre grit products. I got all the PVA/blue grit on one weekend, on with the plastering the next. In some places it...
  7. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    You’re going to talk to me about manners? That’s a bit rich lol.
  8. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    I get the feeling you don’t actually have an answer for me anyway, so no magic tricks for you I’m afraid Carl
  9. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    A coat of 1/3 PVA several months ago. Then one coat of neat PVA a week or so before plastering. On the ceiling and where I patched up the render with bonding it got a coat if blue grit and then a coat of neat PVA
  10. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    It’s some of the only advice I’ve had so far, so it’s worth listening to I suppose. What do you think? C’mon just tell me. I’m sure one of you know what’s actually happened.
  11. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Bit harsh. I think it would be best if we just stayed on the subject for now.
  12. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Never taken that many bus journeys in my life to be fair. Used to have to take the train to work for a few years though. Absolutely hated it, it was a big motivator in learning to drive. Now I just keep an eye out for the same vehicles I see on the road everyday. I suppose this means you hope...
  13. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Well it would have been (wouldn’t recommend it though) but now that Monkey Boy has spilled the beans there’s no need. Thank you for your help Monkey Boy, now I don’t need to feel violated by Carl in order to avoid my past mistakes lol.
  14. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Here’s one way you could look at it. If you can highlight the cause of my problem, I avoid it in the future and it prevents the problem from re-occuring. In that case, I will be a lot more apprehensive about taking the advice of Youtube plasterers who as you say, haven’t got a clue. That’s then...
  15. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    No, I would wait until the 1st coat is somewhat firm, not so much that it’s set hard, but enough that it is say, putty like. Then on with the second coat, a noticeably wetter mix than the first, could this have been the issue? Making the second mix too runny? Or are you supposed to PVA the 1st...
  16. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Is it best to aim for a good balance between physical key, chemical key and suction? Being as inexperienced as I am, if I can eliminate the whole concern of suction control then I just figure it’s going to make it easier for me. I see products like blue grit advertise themselves as allowing you...
  17. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    My thinking behind using the PVA neat was something along the lines of: The old rendered walls are very porous, so this will kill off all suction and give a rookie like me as much time to work with it as possible. As the old render is providing a good physical key, I can rely on this to help...
  18. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Does this happen quite regularly? Again, I don’t want to just blame it on the plaster and call it a day, but it makes me wonder... I got this stuff from Wickes in Newmarket, just in case anyone else has happened to have stuff from there. I’ve put more faith buying it from Wickes than most...
  19. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    No, it’s definitely just the 2nd/top coat. If I was to dig into the plaster with a filling knife or whatever, the top coat will scrape off very easily and as I first discovered, will delaminate if drilled through, even slowly on a standard/non hammer drill setting. It’s clearly just the top...
  20. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    I did some skimming recently. The second coat doesn’t seem to have adhered well to the 1st which I first noticed after drilling a hole in the wall and the new plaster around it blowing and scraping off without much effort. Any ideas why this might have happened?
  21. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    I didn’t want to name them as I gathered the whole neat PVA thing might not go down well. They certainly seem like they know what they’re doing in their videos.
  22. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    It sure isn’t easy. I don’t expect to watch a few YT videos and be an expert, but it’s something I enjoy for some reason and I’m happy to give these things a go, learn through my many, many mistakes and deal with the inevitable consequences of them. Do you think it is the neat PVA that’s the...
  23. R

    Second coat of multi finish weak and poorly adhered to 1st coat

    Afternoon everybody, just after a bit of insight as to why I’m having this problem. So, I recently re-skimmed my spare bedroom, it’s almost all dry now, just a few damp patches here and there. I wanted to get the new electric radiator all fitted so that after painting I can just re-fix the...
  24. R

    Old skim coat is weak and crumbly in patches

    Evening gentlemen. So I recently bought a new house, another old dump in need of major renovations. Bit of a dilemma concerning the plaster situation. The walls are blockwork and have been plastered with s&c and skimmed with whatever gypsum finish plaster was known as in the early 70s. The s&c...
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