Is there a minimum distance between foundations and the cavity insulation?

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The insulation is Dritherm which is a woolly type. It says it's water proof but I can't imagine it sits on the foundations or a lean mix infill should there be one. If that's the case does anyone know there's a minimum clearance please?
 
No minimum distances. Check with the manufacturer.

The standard detail of cavity walls at ground level are a bit bizarre, and there are lots of different details on the internet - many contradictory.

In some cases, EPS or suchlike is specified below ground and up to DPC and then the quilt starts.

In practical terms, I would not want quilt to potentially stand in water collected in a cavity - minimum distance or not.
 

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