Laying a patio

[Rredwin]

Hi all.

I am attempting to extend my patio in the garden and began digging down in preparation for laying the hardcore and then mortar.

However, once I got about six inches down, I hit what already looks like compacted hardcore (see attached picture).

Given that we’re a new build house built on an old industrial estate, I’m confident it’s pretty solid underneath.

What shall I do from here - lay new hardcore on top of the existing sub-base? If so, will I still need a wacker to compact it, given it’s not sitting on top of soil?

Thanks in advance.

 

[denso13]

lay new hardcore on top of the existing sub-base?

That's fine.

If so, will I still need a wacker to compact it

I would, it will still sink a bit over time if you don't.