Best Stone For Driveway Base

This smaller gravel fits well against and between the larger gravel of the foundation forming a more solid base for the driveway.

Best stone for driveway base.

Also called clean stone this base gravel is made from machine crushed stone and is composed of irregular rock fragments. The 9 best types of gravel for your driveway. The base is the foundation for a durable driveway making it critical to pick the right base material. This is the final layer of gravel that is poured on top of the base layer and will finish.

The base is a layer that also consists of crushed stone but slightly smaller stones than the sub base in some cases stone dust or stone fines will be mixed with the aggregate to reduce voids and will hold the layer in place better. The gravel base for a driveway should be a minimum of 4 inches deep. If heavier vehicles such as large trucks will use the driveway regularly the gravel should be even deeper up to 12 inches. Installing crushed granular based gravel on a compacted subgrade is the best start to a strong base.

Sometimes stone dust or fines will be intermixed with the aggregate to reduce voids and better hold this layer in place. Surfacing material the surface layer of gravel is poured on top of the base layer and completes the crushed. Base the base layer of the driveway is made up of slightly smaller crushed stone than the sub base layer.