Turf on stone and sand

We are due to have astro turf laid and have had the stone put down for it, well have the sand on it just before the astro is laid. The reason for astro turf is because we have dogs and we felt it would be better. However I've been reading today that astro turf gets a lot hotter in the summer than grass and may make it unusable, it can also bubble and shrink with the weather.
If we were to change our minds and go for turf instead, could it be laid on top of the stone and sand or would we have to start again?

Asked by Nick on 7th Jun 2022
Expert Trade Answers
"You would need to take out the stone and start again. Regards to it getting to hotter then grass In short, artificial grass will never become too hot for dogs to the point that it burns or injures them. A good quality artificial grass is designed to cool off quickly, with a thatch layer in between the grass blades to regulate temperature"
Answered on 7th Jun 2022 - Member since Apr 2022 - report
"you have to start again the will burn from the heat of the stone underneath"
Answered on 7th Jun 2022 - Member since Nov 2020 - report
"U can not lay turf on top of crushed stone
It will dry out and die really quickly even if you were to put 6in of earth below it .
You will have to take up the crushed stone first and bring in topsoil , you could mix the topsoil with the sharp sand for really good drainage.
If I were you I would go online and find a company like pet turf who specialise in fake grass for pets. I would stick to your original plane and go with the fake grass as I think u have got to a point of no return as it will cost you a lot of money to have the stone taken up and removed from site.
Hope this helps, good luck."
Answered on 16th Jun 2022 - Member since Oct 2021 - report
"You can lay on top of the stone as long as there is a decent bed of sand under the stone is good for drainage aswell so rain water can drain away easier rather than puddles sitting In your grass."
Answered on 8th Jun 2022 - Member since May 2022 - report
"Hi there , the Artifical grass would have to be laid on a bed of type 1 mot then compacted , granite dust then compacted finally granite dust laid then compacted.

If you are changing to turf it would have to be graded / stones removed then a good top soil added - if hard ground then sand added to assist with drainage."
Answered on 7th Jun 2022 - Member since Nov 2020 - report
"Personally we would take the lot out.
Astro turf straight on sand with a compact base is poor. English weather is unpredictable heavy down pours and you have a problem.
We always use membrane first then 150mm clean stone with perpetrated pipe to alow for drainage. Membrane on top of the clean stone.
3 mm sharp sand compacted and level to correct height for the Astro turf to sit perfect
Hope this helps"
Answered on 11th Jun 2022 - Member since Apr 2022 - report
"Hello, I agree astro gets hotter.
To have a grass lawn, you would need to remove send and stones, bring the top soil and compost in, and then lay the turf. Also, you can have mixed - leave astro in some parts with a bit of design touch."
Answered on 8th Jun 2022 - Member since Mar 2022 - report
"If you go for natural grass you will have start again due to the fact that turf will not grow unless new topsoil is put in place first ,but no no Stine"
Answered on 7th Jun 2022 - Member since May 2022 - report
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