It can be smoothed to create a very flat surface and it is strong enough to support the weight of stone pavers which can be quite significant.
Stone dust under pavers.
Stone dust doesn t belong under pavers.
The loose sand will also allow the tamping process to even out the top surface of the pavers.
Inferiority of stone dust.
At one time it was considered a waste material but it s now being used in agricultural applications to increase soil fertility and change the ph level of the soil.
Also called rock dust stone dust is more prone than sand to settling and drainage problems when used as a base beneath walkway or patio pavers.
Just make sure the base is deep enough and compacted.
Stone dust doesn t belong under pavers.
Avoid stone dust or limestone screenings as these materials usually have too many fines dust that trap water that can cause early failure of the pavers.
The sand concrete sand is where the interlock takes place it comes up and fills the joints causing them to lock up.
Using stone dust between patio pavers.
Use concrete sand and only 3 4 under the pavers.
Use the correct bedding material.
Stone dust doesn t belong under pavers.
Stone dust is widely used as a setting bed for any of the various types of stone pavers flagstone pavers such as bluestone being an example used by homeowners in small projects.