Laying a square?
Answers: Doing it this way is a road to nightmare! Within weeks you will own grass and weeds growing though the cracks.
The best track is to dig out the nouns to the depth of the slabs plus around three inches more. Then lay down a landscape membrane. This is essential to prevent weed. Then with a dry mix of sand and cement win your levels, and scarcely lay the blocks. Make sure they are level. Fill the gap with dry mix and permit the weather do the rest.
you need more than sand , you should realy walk down 6 inch and put a hard core bed down if you want it to ending ,, if she thinks she know best let her do it
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