Bitumen DPM removal

Discussion in 'Forum Rules' started by Mouse, Aug 27, 2021.

  1. Mouse

    Mouse New Member

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    Morning all, new member here after some advice.

    I have a 1940s house with floorboards to the ground floor that were nailed and appeared to be stuck down to the concrete slab with what appears to be bitumen or asphalt. It varies in thickness from 1mm to around 6mm. It is soft to touch with a sharp object. Can I apply Ardex straight over it, Ardex DPM then N/a or do I need to remove it ?
     

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  2. merit

    merit Well-Known Member

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    Sod removing that. Ardex NA or a dpm slurry coat


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  3. Spacey

    Spacey Super Moderator Staff Member

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    Nasty and messy job trying to remove that I'd go the Na route just don't lay it to thick
     
  4. Mouse

    Mouse New Member

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    Thanks both. Will go with n/a.
     

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