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  1. Tim1234

    Gravel Driveway - Natural 21AA or Crushed Concrete

    I got a variance from the city for the gravel drive. The house has had a gravel drive for 70 years and is part of the character of the house. Since I posted the original question I have completed the grading and CRC placement. I removed all the topsoil and there was good compacting sand...
  2. Tim1234

    Gravel Driveway - Natural 21AA or Crushed Concrete

    I have a gravel drive which has been compacted for 70+ years. I am going to grade it with a skid steer loader then I want to put down about an additional 4" of 21AA (or 1-1/2" down, Crush and run or whatever they call it in your respective areas). Is there any issues with using 21AA...

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