#4A Stone (3/4″ Minus, Ballast)

#4A Stone Ballast in a 3/4” Minus Size Range

#4A stone ballast in a 3/4” minus size range is a durable, crushed aggregate commonly used in heavy-duty construction and infrastructure projects. Produced by mechanically crushing larger rocks, this material features a blend of stone pieces up to 3/4” in diameter, along with smaller particles and fines. The “minus” designation means the mix includes everything from the maximum size down to dust, resulting in excellent compaction properties.

This specific size and ballast attribute make #4A stone ideal for applications requiring stability and load distribution, such as railroad track beds, road base layers, and large-scale drainage systems. The presence of fines helps lock the aggregate in place, reducing movement under heavy loads and providing a solid foundation. While its compaction ability is a major advantage, the inclusion of fines means it may not drain as freely as clean, washed stone, making it less suitable for areas where rapid water flow is needed. Overall, #4A stone ballast in a 3/4” minus size is a reliable choice for both commercial and residential projects demanding strength and stability.