As detailed above the best paver base is a quarry processed crushed stone subbase and a washed concrete sand base.
Stone dust for pavers.
Once stone dust was considered waste material as it was simply the byproduct of crushing other stones.
Crusher run also called processed gravel is a rock or stone dust made of particles about the size of a grain of.
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.
Not all kinds of stone dust are poor choices for pavers however.
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.
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.
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 sometimes called rock dust is a byproduct of crusher run that s provided the bedding layer for many a paver project over the years.
As mentioned previously sand is used in 2 parts of the installation process the bedding and as a filler material.
Stone dust is often used in areas where there is a lot of underground water as it will absorb less water than sand.
Find paver sand at lowe s today.
However it was realized that this byproduct had the potential to be used in several useful ways.
Using stone dust between patio 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.
First a bed for the pavers must be excavated and filled with crushed stone or gravel.
I m a landscaper of 10 years experience and still going.
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.
Crushed stone s stability paired with sand s spreadability makes a manageable long lasting base duo.
Stone dust is a byproduct of crushing stone for other purposes.
Use both sand and crushed stone.