Vapour barrier under laminate enough?

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Hi, I recently bought a 3 bed built in 1960. I started gutting the place and pulled up what I now know to be Marley tiles. What I’m being told is I’ve essentially removed the dpm. I’m wondering if using a vapour barrier under my new laminate will be sufficient or is it more serious? Any help would be great.
 

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thats bitumen glue commonly used for marley tiles

it often contained asbestos fibre

its not a dpm
 
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thats bitumen glue commonly used for marley tiles

it often contained asbestos fibre

its not a dpm
Thank you for your response. So that wasn’t acting as a dpm combined with the tiles? And as there’s no signs of damp in the subfloor a standard vapour barrier will be fine?
 
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It would be ok if you have a good water table. Is your ground floor higher then the land outside ?
Best way to do it is put a 3mm coat of ardex NA down then a coat of ardex DPM1c resin.
 
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It would be ok if you have a good water table. Is your ground floor higher then the land outside ?
Best way to do it is put a 3mm coat of ardex NA down then a coat of ardex DPM1c resin.
It’s roughly 5inches higher. Not sure if this will have any bearing but my walls are solid walls no cavity. And the bitumen doesn’t go all the way to the edge.
 
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