For fill, road and slab base. Crushed stone 1 – Sizes are from 2″ to 4″. The largest of the crushed stone grades. For larger jobs such a culvert ballast. Crushed stone 8 – Sizes from 3/8″ to 1/2″. For concrete and asphalt mix. Crushed stone 3 -Sizes from 1/2″ to 2″. For drainage and railroad projects.7 Different Crushed Stone Sizes and Their Appli ionsCrushed Stone Grade 1-10. Generally, as the grade number goes up, the size of the stone goes down. 1 – The 1 crushed stone grade is the largest of the crushed stone grades and includes stone between 2-4 inches long. This material is great for larger jobs or for filling in larger holes. 3 – This size of the stone ranges from 1/2 to 2 ...What size crushed stone for concrete slab?Best Crushed Stone for Patios. 1 1/2 inch and 2 1/2 inch Crushed Stone – Crushed stone gravel can be, granite, trap rock and limestone, depending on the particular quarry site. Crushed stone is produced by actually crushing the stone and then screening it to the right size.Understanding Crushed Stone Grades OzingaCrushed stone 3 includes stone between 1/2 and 2 inches. This material is a great choice for railroad projects and those that require drainage. 5. Crushed stone 5 includes stone that is 1 inch or smaller in size. This material is perfect for road and paver base. 8. Crushed stone 8 includes stone between 3/8” and ½”.Stone Sizes David H. Martin Excavating, Inc.PA2A. Size 2 Inch Topsize. Description. PA2A is a mixture of coarse stone and crushed stone dust. It is used as a road base or an under-slab fill. It will drain and has a structural coefficient, making it ideal when stability and drainage are a concern. PA2A is a primarily clean material. 2RC/ 2A Modified.The Complete Guide to Crushed Stone and GravelFor example, depending on the region of the United States, crushed stone in the size of a few mm to 2 inches is referred to as “gravel,” even if it has been crushed and is no longer smooth. To provide clarity and avoid confusion, we will stay with the definition that gravel cannot refer to crushed stone and must remain in a natural state.Crushed Stone - Landscape Rocks - Landscaping Supplies - The ...Southwest Boulder and Stone 0.25 cu. ft. 3/8 in. Crushed Gravel Bagged Landscape Rock and Pebble for Gardening, Landscaping, Driveways and Walkways 132 Model 02-00782020 Crushed Stone Calculator: 3/4 inch rock - HomeAdvisorFind Crushed Stone Delivery Pros Near You Find Pros. Real-World Calculation Example. First, calculate the area in square feet of your project. As an example, a 10-foot wide, 20-foot long driveway is a 200-square foot area. Then, multiply the area by the depth. For instance, if you are using four inches of crushed stone under a patio area or for aGravel Size Gradation Chart which stone to chooseProducts in this range are notably more compactible and suited for creating a base layer -such as Crusher Run, Screenings, Sand and Soil. For support of heavy vehicles – choose our 3 or 4 stone. For standard driveways – choose our 57 or 67. For more elaborate driveways – choose our 1/2” to 2” river gravel.Crushed Stone Calculator: Free Online ToolA crushed stone calculator is the best way to get accurate results. No matter what your project entails or how frequently you& 39;ve worked with crushed stone, though, it& 39;s extremely important that you have the ability to accurately estimate the quantity of materials that you& 39;ll need to buy.