Plastering allowance

Discussion in 'Other Trades Talk' started by Timohfee, Nov 12, 2020.

  1. Timohfee

    Timohfee New Member

    Morning all,

    I’m new here, you’ve all been recommended by a few friends.

    Just bought a house that needs a bit of work, including putting a retaining wall back in. I’m comfortable with all aspects bar the plastering so will get someone in to do that, I just need to know how much thickness of plaster to allow for. I’ve drawn up a floor plan, you can see the remains of the original wall, as you can see it butts up to the original location, and I don’t want to create a step along the wall.

    So, my question is, how thick will a plasterer apply plaster, and how much of a step should I leave between the plasterboard and the finish of the existing wall??

    Thanks in advance! A6D11C28-F9A4-4F27-BF3F-DB4A55F9B14E.png 9A0FB04A-0DBC-4E01-AD29-09C64DD6A490.png
     
  2. Rob_bv

    Rob_bv Active Member

    On plasterboard, 2-3mm. Consider taping the joint and reskimming the entire wall though (i.e. bring the plasterboard flush with the existing); it will give a much better finish, looking like 1 continuous wall instead of a bit stuck on the end of an existing.
     
  3. Richard_

    Richard_ Active Member

    I agree, plasterboard flush with existing then skim the whole wall. You could feather onto the existing wall but by time the plasterer has done that you might as well do the whole thing.

    As for cost, the plasterer spends a bit of time waiting for the stuff to set for the final polish. Also clear up time is the same so doing a slightly bigger area wouldn't take any longer.

    Ps put the PVA on the existing wall and do the scrim yourself.
     
  4. Timohfee

    Timohfee New Member

    Thanks to you both.

    Now you’ve mentioned this, it makes perfect sense.

    I appreciate your help.

    Many thanks.
     

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