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.
Stone dust for patio pavers.
Ground frost will swell up water below the dust which can then force up the patio.
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.
When compacted the edges will grind together locking the layer of sand in place which helps to prevent erosion or movement.
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.
Ideally this sand should be coarse and granular.
Rock dust and sand are two common bedding options for pavers.
Inferiority of stone dust also called rock dust stone dust is more prone than sand to settling and drainage problems when used as a.
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.
The most common use for stone dust is as a base layer or setting bed for laying stone pavers.
When it comes to building walkways or patios with interlocking concrete pavers there s one material commonly used for bedding that s fallen out of favor although not with everyone in a big way.
Use a rigid but moderately flexible edge guard to define the area.
The real downside to stone dust is that it can be affected by frost.
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 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.
Using stone dust between patio pavers stone dust is a byproduct of crushing stone for other purposes.
You should also consider that stone dust has a higher ph than the ground which may cause the pavers to deteriorate over time.
First a bed for the pavers must be excavated and filled with crushed stone or gravel.
I used aluminum about 4 inches tall.
Make the area as level as possible using a screed look.
A layer of bedding sand is then spread on top of the base material to cushion the pavers and keep them in place.