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Aggregate Base Course (Class 4, Subbase)
Applications & Uses
Aggregate Base Course, Class 4 Subbase
Aggregate Base Course in a Class 4 size range, designated for subbase applications, is a well-graded blend of crushed stone, gravel, and fines. This material is engineered to provide a stable foundation layer beneath pavements, concrete slabs, and roadways. The Class 4 specification ensures a balanced mix of particle sizes, optimizing compaction and load distribution.
The subbase attribute means this aggregate is specifically formulated to support overlying structural layers by improving drainage and minimizing settlement. Its gradation allows for excellent compaction, reducing voids and creating a dense, stable platform. Common uses include residential driveways, commercial parking lots, road construction, and under concrete pads. Pros include reliable load-bearing capacity and effective moisture control, while the presence of fines may make it less suitable for decorative or exposed applications.
Frequently Asked Questions
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Key Characteristics of Aggregate Base Course
Material Properties
Aggregate Base Course is subbase and classified as material, providing specific performance characteristics for construction applications.
Size Specifications
Standard Aggregate Base Course is graded to Class 4 specifications, ensuring consistent particle size distribution for reliable project outcomes.
Common Applications
Industry professionals typically specify Aggregate Base Course for projects requiring dependable performance and specific drainage or structural properties.
Hello Gravel Availability
Hello Gravel may be able to source Aggregate Base Course depending on your location and current inventory. We offer fast delivery, often within 2 business days when material is available.
Looking for This Material?
Hello Gravel may be able to provide Aggregate Base Course in your area with delivery as soon as 2 business days.