Do I compact the sand under Concrete?

  • Thread starter Thread starter iDIY
  • Start date Start date
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iDIY

Simple but daft question really. I have prepped the area for a garage floor and just spread 5in of MOT ready cor compacting. My question is, does the sand layer above the compacted MOT that will protect the DPM also need to be compacted or will the concrete itself do that?
 

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