Use 4 inches of stone dust but apply 2 inches first then compact it with a manual or mechanical tamper then.
Stone dust for patio pavers.
Using stone dust between patio pavers stone dust is a byproduct of crushing stone for other purposes.
A layer of bedding sand is then spread on top of the base material to cushion the pavers and keep them in place.
Once the pavers have been laid on the sand the joints must be filled to create an even surface that will not slip or slide out of place.
I used aluminum about 4 inches tall.
Homeowners who undertake projects such as laying a patio flagging a driveway or creating a garden path may use stone dust as one of the materials for the project.
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.
When compacted the edges will grind together locking the layer of sand in place which helps to prevent erosion or movement.
Use a rigid but moderately flexible edge guard to define the area.
Ideally this sand should be coarse and granular.
You should also consider that stone dust has a higher ph than the ground which may cause the pavers to deteriorate over time.
Stone dust sometimes called rock dust is a byproduct of crusher run that s provided the bedding layer for many a paver project over the years.
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.
Ground frost will swell up water below the dust which can then force up the patio.
Make the area as level as possible using a screed look.
Inferiority of stone dust also called rock dust stone dust is more prone than sand to settling and drainage problems when used as a.
The real downside to stone dust is that it can be affected by frost.
The most common use for stone dust is as a base layer or setting bed for laying stone pavers.
First a bed for the pavers must be excavated and filled with crushed stone or gravel.
Types of sand used for pavers most people are familiar with the idea that stone pavers must be laid on top of a layer of sand.
Rock dust and sand are two common bedding options for pavers.