Installing crushed granular based gravel on a compacted subgrade is the best start to a strong base.
Best stone for driveway base.
The base is the foundation for a durable driveway making it critical to pick the right base material.
This smaller gravel fits well against and between the larger gravel of the foundation forming a more solid base for the driveway.
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 9 best types of gravel for your driveway.
The top layer smaller gravel put down a 4 inch layer of 57.
Surfacing material the surface layer of gravel is poured on top of the base layer and completes the crushed.
Also called clean stone this base gravel is made from machine crushed stone and is composed of irregular rock fragments.
Base the base layer of the driveway is made up of slightly smaller crushed stone than the sub base layer.
The gravel base for a driveway should be a minimum of 4 inches deep.
Sometimes stone dust or fines will be intermixed with the aggregate to reduce voids and better hold this layer in place.
If heavier vehicles such as large trucks will use the driveway regularly the gravel should be even deeper up to 12 inches.