UFH Flow and Return Pipe To Be Buried In Screed

[BenP]

Morning all, 

 

Looking to run our flow and return for the centrally located UFH manifold in the screed - plumber was talking about quite complicated ducting solutions but I recently saw a video where someone had used a wider dimater version of a typical UFH pipe - i.e. 

 

https://www.thefloorheatingwarehouse.co.uk/product/premium-pex-al-pex-pipe-50-metre-coil-wras-approved/

 

We have a 75mm sand cement screed going in so couldn't see no reason why we couldn't bury two 32mm pipes in one continuous run? 

 

Anyone done similar and have product recommendations?

 

Cheers, Ben