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