DIY Doctor

Laying paviours over old concrete drive

Postby Doitall » Sat Apr 04, 2020 8:01 pm

I have an old concrete drive along the side of the house. Although i believe there is a slight fall to the road, there is nevertheless puddling in places after rainfall, which only disappears by drying.
I would like to lay block paviours but don't really want to take up the concrete. The drive used to be used by small lorries (40 years ago) and I believe is very thick.
Would it be acceptable to lay say 30 - 50mm sharp sand over, then paviours on top. If I laid to a 1 in 60 minimum fall, would the water nevertheless get through the joints and puddle under the paviours and on top of the concrete?
Many thanks.
Doitall
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Postby stoneyboy » Sat Apr 04, 2020 9:36 pm

Hi do it all,
You are probably better with around 75mm sand under the paviours but make sure it is evenly compacted.
Pounding may occur but should disperse in the sand layer.
Regards S.
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Postby Doitall » Sun Apr 05, 2020 8:55 am

Thank you stonyboy.
Doitall
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