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Best heavy duty filler or render in deeply damaged plaster?

Discussion in 'Plastering and Rendering' started by fairplay, 5 Aug 2021.

  1. fairplay

    fairplay

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    I have been ripping out the old basic sixties skirting in our spare bedroom. Of course it was fixed with an excess of those hefty great cut clasp nails. I have found the best way to remove it is to cut either side of them with my multitool saw and then remove the skirting then the nails. But it absolutely pulls out loads of the old plaster, leaving quite big holes in places. The new skirting is taller so will cover it but what is the best way to fill the damage sufficiently so that I can dab and dot the adhesive for the new MDF skirting?
     
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  3. blup

    blup

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  4. JohnD

    JohnD

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    You don't have to pull out cut nails, you can break them off.
     
  5. lostinthelight

    lostinthelight

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    If the skirting is sticking to the wall, run the MT down the back with an old blade to free it.I don't throw blunt blades away until there's only a stump left.
    If its pulling the nails thats doing the damage split along the grain of the piece left after you've cut down either side and disk the nail off flush
     
  6. fairplay

    fairplay

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    Thanks, that sounds like the best idea. "Breaking them off " wouldn't work because the plaster is too crumbly.
    Also thanks blup for the heads up on the filler.
     
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  8. blup

    blup

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    Need to build up in layers if holes are deep, otherwise may not fully dry out.

    Blup
     
  9. Matt108

    Matt108

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    Used Big Hole myself. excellent product.

    Tiny tip: when long stored in tub, but a little dry then add some water to bring it back to life.
     
  10. blup

    blup

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    Yes, done that, brings it back to a workable state.

    Blup
     
  11. perky416

    perky416

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    I tend to lean towards plasterboard adhesive if i need to fill deep or large holes. It doesnt shrink or crack and dries rock solid. Leave it below the finished level though and go over with normal filler or plaster as its a pain to sand.
     
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