Need for a subbase??

Patio flagstones (slabs), concrete flags, stone flags including yorkstone and imported flagstones.
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Lyndalan
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Joined: Mon Jun 17, 2019 8:52 pm
Location: Dundee

Post: # 117345Post Lyndalan

Please feel free to point me to an existing thread if available?

I am replacing 2x2 concrete pavers which act as a footpath around my house. I am putting down limestone 600mm X 300mm stepping stones filled with gravel surround.

My question is, I intend to carefully lift the concrete pavers and lay the limestone in a mortar bed straight on top of the layer of sand beneath? what depth should the mortar bed be and should I use a sub base of ballast? The concrete pavers were down for 25 yrs so I was hoping not to have to lay any sub base for the stepping stones.

Advice welcome.
Cheers
Keith
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Tony McC
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Joined: Mon Jul 05, 2004 7:27 pm
Location: Warrington, People's Republic of South Lancashire
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Post: # 117362Post Tony McC

You should read the main website - it answers all those questions in rivetting detail, and all with the aid of pretty pictures.
Site Agent - Pavingexpert
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