Ardex na

just laid some ardex na in my daughters hallway and tried it in 3 stages at her request due to autistic grandson and hyper dog and its gone down very flat but one level is 1-2mm lower, the middle section.I want to go over it again to level it all in one go and was thinking ardex k39 or ardex cl. Do I need to prime the na before laying the next compound. LVT going down eventually. Couldn't get a pro in but any help would be very much appreciated

 

yes always prime between layers


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Any views on k39 or cl?

 

I’d cl for the top coat


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thank you

 

Neither both have a higher compression strength than NA


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Cl will be fine but you should be using another coat of na. Defo dont use the water based

 

Thanks Tarkett88 and Merit, finally had a response from Ardex and they advise another coat of NA.