Road Construction And Maintenance
Road Construction And MaintenanceDo 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.
This primarily 1″ crushed, washed gravel with a top size of 1-1/2″ is often used for drainage around perforated pipe, under concrete slabs, and as a coarse driveway topping for soft, very muddy driveways.
The basics: River rocks are larger than pea gravel, typically 1 inch and larger in diameter.
They're available in a variety of colors, costs and sizes, and are used to create dry creek beds or to direct drainage through a property.
Cost: This type of rock is sold by the pound or by the ton.
How much gravel is in a yard? A cubic yard measures volume where a ton measures weight.
A yard of topsoil usually weighs about 1,800 pounds and a yard of gravel usually weighs about 2,200 pounds.
Landscape fabric is laid over soil and then mulch is layered on top of the fabric.
Landscape fabric also works well beneath gravel, rock, or hardscaping.
It also can be used beneath flower beds or ground cover to reduce weeds and the need for weed control.