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.
Stone dust under pavers.
Use concrete sand and only 3 4 under the pavers.
Just make sure the base is deep enough and compacted.
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.
It s been a few thousand years since the first roads were built but there s still no shortage of opinions about the right way to build them.
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.
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.
Inferiority of stone dust.
Use the correct bedding material.
Stone dust is a byproduct of crushing stone for other purposes.
Stone dust doesn t belong under pavers.
Stone dust doesn t belong under pavers.
Using stone dust between patio pavers.
Stone dust will only get hard under the pavers and actually hold water which is another issue.
The sand concrete sand is where the interlock takes place it comes up and fills the joints causing them to lock up.