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No scratch coat was 4-1, the top coat was 5-1.

Thanks, Brimstone a sensible post, Andy said "I always use a three in one admixture for my scratch coat (plasticiser, waterproofer and retarder)" https://www.everbuild.co.uk/products/building-supplies/admixtures-building-chemicals/204-evermix-3-in-1/

But the topping coat was within EssexAndys procedure ie 8 to 12mm. Scratch is mostly wavy horizontal. But i have to say it might have been worked too much!

Yes, again! "The second coat 5-1 plus 3in 1 additive was applied to a slightly damped up surface at about 8-10mm"

Well, hopefully, there is someone out there who can offer some constructive advice, ie best way forward.

they is not good?

Absolutely I followed EssexAndys procedure= Background Scratch coat Topcoat Strong/moderate 1:3 to 4 @ 8mm to 12mm Dashing 1:1:5 to 6 1:5 to 6 @ 8mm to 12mm Float finish 1:2:8 to 9

Ah thanks, Ritch so 12mm for the scratch coat is ok?

Ok thanks, Danny, so the key is ok? but the depth is far too thin? I have now stripped off all the topcoat and re-scratched the scratch coat, my idea now is to SBR prime the scratch coat let it dry then apply an SBR cement slurry then whilst still tacky apply the topcoat to a max of 7mm to...

Thanks, Hollbank, but why is the scratch coat wank?.

Hi all, I have been a member of this site for a number of years and have greatly benefitted from the advice and information gained, many thanks. I have successfully tackled internal plastering finishing whole rooms from top to bottom on bare blockwork and plasterboard. However, I have come...