Stone dust is often used in areas where there is a lot of underground water as it will absorb less water than sand.
Stone dust for pavers.
Stone dust is also cheaper than sand and is more environmentally friendly making it a suitable base for your paver walkway if you are concerned about any of these issues.
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.
Not all kinds of stone dust are poor choices for pavers however.
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.
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.
While it can work in some construction applications there s a growing recognition that sand washed concrete sand in particular has proven far more stable and exhibits properties that make.
Once stone dust was considered waste material as it was simply the byproduct of crushing other stones.
A layer of bedding sand is then spread on top of the base material to cushion the pavers and keep them in place.
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.
First a bed for the pavers must be excavated and filled with crushed stone or gravel.
However last year i was talking with a employee of grimm building supply where we get all our paver materials and i was told sand is the only way to go for numerous reasons.
Crushed stone s stability paired with sand s spreadability makes a manageable long lasting base duo.
Find paver sand at lowe s today.
Crusher run also called processed gravel is a rock or stone dust made of particles about the size of a grain of.
The most common use for stone dust is as a base layer or setting bed for laying stone pavers.
As detailed above the best paver base is a quarry processed crushed stone subbase and a washed concrete sand base.
I m a landscaper of 10 years experience and still going.
Use both sand and crushed stone.
I always used to use stone dust as a base for paver walkways patios.
Stone dust is a byproduct of crushing stone for other purposes.