3″ to 4″ deep is not good. From what I’ve heard, quarry dust requires work to make a good racing surface. It is not just a matter of throwing it down and calling the job done.
Saturday, Aug 15, 2026
3″ to 4″ deep is not good. From what I’ve heard, quarry dust requires work to make a good racing surface. It is not just a matter of throwing it down and calling the job done.