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Plasterers boarded new block wall

Discussion in 'Plastering and Rendering' started by reg091, 3 Feb 2019.

  1. reg091

    reg091

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    Just puzzled really, no big deal, but the plasterers doing my new extension stuck plasterboard to the newly built walls and skimmed it.

    The finished result looks fine but I am just puzzled as to why they didn't apply a plaster base to the walls instead and then finish coat? It always used to be like that back in the day when I was working on the building, many, many years ago!
     
  2. Notch7

    Notch7

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    Various reasons, it can be more convenient for them, possibly a bit cheaper. Some builders prefer it because bonding and skimming on light weight blocks is prone to cracking.

    Customers should be given the option.
     
  3. reg091

    reg091

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    Makes sense. My only slight concern is that there must be a gap between back of plasterboard and the wall face as there is electric wiring capped. Just a thought that if my child shoulder barges it it might dent.
     
  4. JobAndKnock

    JobAndKnock

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    It's certainly a lot faster to dot and dab then skim - you can go from bare blockwork wall to skimmed coat, ready to paint in 24 hours or less. What trapped air there is between the back of the PB and the blockwork can acts a a bit of an insulating layer as well. I wouldn't worry too much about the kids destroying the wall - so long as you have a skirting at the bottom (the main impact point) that will be pretty difficult
     
  5. John D v2.0

    John D v2.0

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    I think it's mainly speed/skill of application and drying out, and quantity of materials needed especially wet materials. The drawback would be that bare blockwork walls are like sieves so you need some other mechanism for airtightness, and it can be hard to hang heavy things e.g. kitchen cupboards.
     
  6. DIYnot Local

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