Start with larger stones to form a sturdy base rock and pour the gravel on top. In most cases, you'll need at least an 8 inch layer of gravel. Gravel driveways need regular maintenance, especially in snowy areas where …

Stone has generally not been naturally created by weathering. On the other hand, "gravel" is rock fragments sourced from an existing deposit of weathered rock, often from rivers and streams, but also gravel pits. As such, gravel tends to be more rounded in shape. The modifier crushed specifies two things at once. First, that the aggregate be ...
Replies. The problem is the crush and run - or "crusher run" as I've heard it called - is compact-able - and 57 stone - gravel - naturally is compacted when it's dumped/spread. so you have the chance of settlement under/of the concrete and or cracking of a slab with a compact-able sub-base - unless you are able to fully compact it in lifts ...
21AA CRUSHED CONCRETE. 21AA Crushed Concrete is great for drainage which makes it the right solution in wet areas. It's often used as a surface for driveways or parking lots. 21AA Natural. 21AA Natural is a looser material that works for gravel roads or as a base layer underneath asphalt pavement. 22A Crushed Concrete.
A 'nicer' looking non-aggregate gravel is less effective than the mixed-size crusher run. According to Gravel Shop, "Unlike clean gravels, crusher run gravel will also contain a mix of fines like screenings (stone dust) or dirt that blends together with the angular crushed stone giving crusher run its desirable compaction and drainage ...
A high-quality hammer crusher can keep final material passing a twenty mesh, fifty to sixty percent passing a fifty-mesh screen. Crusher hammers are high chrome content. The hammer service life depends on the material you process. If you're running abrasive quartz, they'll last somewhere between one to two weeks.