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  1. #1
    Join Date
    Jan 2008
    Location
    Brisbane
    Posts
    1

    Default Paving base - is deco granite any good?

    Hi,
    I'm going to pave an area roughly 100m2 which including around the swimming pool and pathway leading in/out of the house to the backyard. Some guy in the brickyard suggested deco for base since the area will be low-traffic. I've got about 2/3 of the area already covered in a good 50-60mm thick of deco (leftover from pool and concreting jobs). It'll be a pity just to scrape them all off and replace with road base. So can I just top up the deco + allowance for compaction to 100mm as the paving base?

    Thanks

    paving the first time - Al

  2. #2
    Join Date
    Aug 2006
    Location
    Sydney
    Age
    65
    Posts
    1,248

    Default

    Its not ideal because it continues to breakdown. The mica content will eventually form clay - if my limited geology is correct. However the quartz & feldspar content is fine. It also has excellent gap-gradient, particle size so compacts very well

    So.... if it was me ...I would use it, but I would mix crusher dust (basalt) through it with about 5 bags of cement and compact the living daylights out of it.

    I recon it will be fine.

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