Kango old concrete before laying 804 gravel

Discussion in 'Builders' Talk' started by Cian Woods, Jul 27, 2021.

  1. Cian Woods

    Cian Woods New Member

    Hi, I'm currently preparing a base for a new concrete slab patio. A portion of the area has an old piece of concrete acting as a path around the house and it has a heavy slope on it.

    The slab I intend to pour will be 100mm thick so I need to level up the area of old concrete too.

    My question is should I remove this old concrete first or just throw down the 804 and compact it on top. On the very right by the house is 4inches so I don't need any gravel there but I need up to 3 inches back to where it meets the gravel on the left.

    See pic: https://photos.google.com/share/AF1...?key=QWNwVmUwaktQU2FhT2xJVFZhYV9DOGVkaTlQQV9R


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