In article , Bob
wrote:
I think screed is used on top of the concrete to give the finished
level for flooring, usually when tiles are to be installed, so it
would be a thin layer.

50mm is usual

Sharp sand would be the aggregate rather than stone. This may not
be fully correct as there has been an amount of wine involved.%-)

Yes 1(of cement):3-4 (sand) would be normal.

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
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