Gravel SalesDo you need rebar for 4 inch slab? No, you do not need rebar for a 4-inch slab of concrete on grade.
A 4-inch-thick slab cast on the ground and in permanent contact with it will float and rebar is not required.
Rebar is recommended on concrete measuring 5 – 6 inches thick.
Bulk gravel costs $15 to $75 per yard on average.
Crushed concrete, sand and gravel mix, and crushed shells are the cheapest stones at $15 per yard.
Crusher run, pea gravel, steel slag, and river rock typically cost $50 per yard or more.
57 granite is larger, which leaves larger spaces between the stone.
Because of the size and shape of this gravel your tires can spin a little when driving through, but does provide excellent drainage for a driveway.
This is a very popular option and looks really nice when spread.
Supply yards are usually good at sizing up your vehicle, and loading a safe amount of material.
Full-size Pickup Trucks: Can usually handle 2 cubic yards of soil, 2-3 cubic yards of mulch, and 1 cubic yard of stone or gravel.
The formal definition of Class 5 Gravel is limestone rock crushed and screened to a maximum size of 1 inch.
In the UP of Michigan there are variations of class 5: the two most common are “23A” and “Western Limestone.” What distinguishes the two types is the “binder” that is used that allows the gravel to be compacted.