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Also referred to as stone dust or screenings, this aggregate is commonly used in manufacturing concrete block and other masonry products, and for backfill in conduit trenches. AASHTO #10 is a grade of crushed stone dust valued for its cleanliness and compaction. The small top size of AASHTO #10 means it will drain, but it does so slowly.
Available at these locations:
Bonnybrook Quarry Map it
Lincoln Quarry Map it
Principio Quarry Map it
Roosevelt Quarry Map it
Shrewsbury Facility Map it
The American Association of State Highway and Transportation Officials (AASHTO) is a nonprofit, nongovernmental organization that publishes specifications, guidelines and testing protocols for highway design and construction. AASHTO has created standards for guiding different aggregate specifications, including sizes and gradation requirements, in concrete mix design.
Also called stone dust or rock or screenings, AASHTO #10 crushed stone is a pulverized byproduct of stone-breaking. It’s highly durable, workable and compactable. These qualities make it ideal for various projects. It can provide a base material for concrete blocks, patio pavers, tennis courts, walking trails and more.
AASHTO #10 aggregate can be added to larger stones to reinforce their durability, helping pack them together to prevent movement and shifting. However, crushed stone screenings aren’t recommended for use in muddy areas, as they can absorb moisture, adding to the muddiness.
Crushed stone is a construction aggregate. At a glance, it looks similar to gravel. However, gravel is rounded and erodes naturally over time. Meanwhile, crushed stone is mined and crushed into specific sizes to suit a variety of practical applications.
Because crushed stone can be made from nearly any type of hard stone, it is a highly sustainable resource. The most commonly used rock types are argillite, limestone, granite, washed gravel, and quartzite. Many crushed stone varieties are used in various landscaping and construction projects, from concrete block production to decorative use along residential walkways and gardens.
Crushed stone grades are categorized by fragment sizes after the stone has been crushed. AASHTO #10 aggregate is on the lower end of the scale, as it is ground very finely to create dust. At York, we use limestone to produce AASHTO #10 and other grades of crushed stone, as this material is abundant in Pennsylvania.
AASHTO #10 has a 3/8-inch top size that ranges down to a silt-sized material. Its compact size makes it easier to handle than bulkier AASHTO stone grades.
Here are some common commercial and residential applications for the material of this grade.
Microsurfacing is a durable seal coat designed to extend pavement’s life span. It’s a thin yet sturdy asphalt layer mixed with crushed stone — like AASHTO #10 — to improve traction.
It’s a cost-effective way to preserve the underlying structure, rejuvenate road surfaces, seal minor cracks and reduce the need for costly future repairs. AASHTO #10 is a suitable option for many road projects, offering a durable surface for gravel and concrete to bind onto while laying foundations. Crushed stone provides a strong, uniform base material.
AASHTO #10 crushed stone is easy to tamp or roll into place, creating a more stable surface for areas like walkways and driveways.
Crushed stone is an effective base for paver installation. It’s easy to work with and provides excellent water drainage capabilities.
Crushed stone is a common solution for trail surfacing. It holds up well under heavy everyday use while complementing the surrounding natural landscape. When crushed and compacted properly, AASHTO #10 gravel offers a user-friendly surface year-round for nearly everyone, including runners and walkers, bikers, wheelchair users and those with strollers.
Crushed stone is a popular choice for underground pipe bedding. The aggregate helps level and support the pipe.
In addition to constructing concrete pathways, #10 crushed stone is a great option for concrete block manufacturing. Because concrete is inherently porous, it absorbs any moisture it comes into contact with. This can lead to pooling.
The addition of crushed stone helps prevent pooling water from settling under and eroding the concrete block. A simple layer of crushed stone significantly enhances drainage, forming a barrier between the concrete block and the ground.
AASHTO #10 crushed stone provides a compactable material for a horseback riding arena base, stall floor base or building foundation. Crushed stone is angular, providing substantial grip and traction for riding.
Finally, #10 stone dust offers multiple benefits for tennis court surfacing. Many tennis courts contain a top layer of crushed stone aggregate. Typically, there is another thicker layer of the same material below the top layer, just in a more compact form.
Crushed stone is hard and angular, which are essential qualities for tennis court construction. This angularity helps lock the stone particles together to create a stable playing surface. The hardness provides excellent durability, allowing players to enjoy the court for many years.
If you plan to take on any of these construction projects, AASHTO #10 might be the right material for you. Establish your material needs for the project. Once you have a plan in place, feel free to request a free quote from York Building Products.
Successfully completing a landscaping or construction job requires reliable access to quality materials. With decades of expertise in the construction industry, York is a trusted provider of those materials across the Central Pennsylvania region.
We emphasize the safety of our employees in every single process, and our material management methods allow us to offer unique products and services you won’t find at any other local quarry.
We offer AASHTO #10 aggregate as part of a wide selection of crushed stone sizes, so we have something to fit the needs of any commercial or residential construction project you have planned. We deliver to a variety of locations across Central Pennsylvania and surrounding regions.
AASHTO #10 is one of the finest crushed stone grades available, and knowing how it behaves is key to using it well. The answers below cover several common questions like where it performs best, why it drains slowly and when that matters.
Yes, AASHTO #10 is suitable for your concrete block production because its fine, consistent texture serves as an aggregate that helps create a smooth, uniform product, your paver base because it compacts into a firm, level setting bed that holds pavers securely in place, your trail surfacing because its fine, compactable texture makes it easy to tamp or roll into a stable surface and your microsurfacing project because it blends evenly with asphalt emulsion for a smooth, uniform wearing surface.
#10 drains slowly since its fine particles pack tightly together, leaving fewer open spaces for water to pass through quickly, and that becomes a problem for your application when you use it in areas with standing water, heavy rainfall or poor drainage. If fast water movement is critical to your application, a coarser crushed stone like #57 or #3 stone may serve you better.
#10 stone dust is more compactable compared to larger crushed stone grades as its fine particles pack tightly together under pressure, making it a great option for applications that need a firm, stable base, such as paver installations, tennis courts and riding arena floors.
The size range of AASHTO #10 crushed stone screenings runs from a three eighths inch top size down to very fine stone dust, giving it a compactable quality. When you need a base layer or surface material that packs tightly and finishes smoothly, #10 is a reliable option.
Yes, you should avoid using #10 in muddy or wet areas because its fine particles absorb moisture easily, adding to existing muddiness and affecting the stability of the base. If your site has drainage challenges or consistent moisture exposure, a coarser stone like #57 can work better.
If you are wondering which crushed stone grade is best suited for your next commercial or residential project, contact us for advice from our knowledgeable experts. Give us a call at 800-673-2408 or get in touch with us online to find the perfect stone for your needs.
717.771.3507 