How much gravel do you put under pavers
Emma Miller
Updated on March 25, 2026
You’ll be using 4 inches of gravel, which is 1/3 of a yard, for a paver base. To figure out how many cubic feet of gravel you will need, multiply your square footage by 1/3. In this example, you’d need about 20 cubic feet of gravel, or 3/4 cubic yards. You may want more in case you spill some.
How deep should gravel be under pavers?
There is no absolute rule to determine how required depth, however recommendations vary by use. The guidelines are 4 to 6 inches for pedestrian walkways and 8 to 12 inches for driveways. Local soil conditions also impact depth needs.
What is best to put under pavers?
The Interlocking Concrete Pavement Institute recommends washed concrete sand as the best base sand for pavers. Concrete sand, also known as bedding sand, is coarse and doesn’t trap excess moisture beneath the paver surface.
Do you put gravel under pavers?
The principle to remember is this: your pavers are only as stable as the base they’re sitting on. That’s why you’ll need to lay a substantial gravel base on top of your dirt. … After you lay gravel, you’ll need to spread a smooth layer of concrete sand for your pavers to settle in and stay.How do I figure out how much paver base I need?
Measure the length and width of the patio in inches. Multiply the length and width to find the area in square inches. Multiply the area by the gravel depth in inches to find the volume in cubic inches.
Do you need crushed rock under pavers?
Paver Base Materials: Gravel Many professionals recommend gravel bases because they offer the best support for pavers. The gravel allows moisture to get in and drain, and it also absorbs ground tension, which prevents the pavers from sinking. You can buy landscaping gravel, and crushed rock works best.
How thick should I lay gravel?
Gravel 1-1/2” to 2” will need to be 3” deep, and 2” to 4” gravel needs to be 4” deep. This is to provide complete coverage and so you cannot see the landscape fabric (weed-mat) through the gaps in the gravel.
How thick should sand be under pavers?
Paver sand holds the pavers in place and allows you to adjust them. The final paver sand depth needs to be 1 inch and you need to account for sand filtering into the paver base and into the joints between the pavers. Make your calculations using a sand depth of 2 inches or 0.1667 feet.Can I put 2 inches of sand under pavers?
A 1-inch layer of level sand allows pavers to sink slightly into the bedding to hold them firmly in place. … If the sand layer is too thick — 2 inches, for example — the compactor’s vibration causes the pavers to sink unevenly as the machine travels across the surface.
Is paver base the same as gravel?Paver base is a coarse, rough-edged gravel aggregate. It may be composed of limestone, granite or other rock, depending on your location and local building supplies. Suppliers may call it Class 5, crusher rock, road bed gravel or 3/4 minus gravel.
Article first time published onCan I use pea gravel for paver base?
While pea gravel can be used as a mulch alternative, garden border and other landscaping purposes, it is not the best choice for a patio base. If you use pea gravel beneath a patio, take a few simple steps to ensure the stability of the base before setting your surface stones, pavers or bricks.
How many bags of gravel do I need for paver base?
You’ll be using 4 inches of gravel, which is 1/3 of a yard, for a paver base. To figure out how many cubic feet of gravel you will need, multiply your square footage by 1/3. In this example, you’d need about 20 cubic feet of gravel, or 3/4 cubic yards. You may want more in case you spill some.
Is 1 inch of gravel enough?
— The amount of gravel you need varies depending on what kinds of landscaping projects you’re planning on doing. For instance, if you need weed control on your property, a one-inch layer of small rock gravel can work great. But for larger projects, you’ll need much more.
How deep do you dig for gravel?
Aim for a depth of around 4 inches and use a square edge spade to ensure the sides of the trench are straight and even.
What happens if you don't use gravel under pavers?
Laying pavers without a gravel base or without other small stabilizing materials means the bricks will sink and shift over time. When the bricks shift or sink, they create an uneven surface that poses a tripping hazard. A sand base surrounds and embraces the bricks and allows them to maintain their position securely.
Can you lay pavers just on sand?
Compacted concrete sand is then placed on top of this. A thin final layer of setting sand is the actual surface on which you place the pavers. Larger paving stones act like building footings. … In other words, compacted sand can provide a sufficient base for a paver patio that’s just going to have you walking across it.
Can you lay pavers over dirt?
Typically, it is not recommended to directly lay down pavers over dirt. For pavers to look and perform well in a permanent installation setting, the ground/dirt floor must be excavated, leveled, and hard compacted.
How thick should paver base be?
Paver thickness is generally about 3- to 3 1/2-inches. Therefore, you need to dig a paver patio base depth of about 9 inches (22.86 cm) to accommodate any kind of paver. 5 inches (12.7 cm) of the hole will be filled with the base material for the base such sand or gravel.
How much does paver base cost?
The range, depending on the type of paver you choose, can run between $3 to $15 per square foot.
What is paver base Step 1?
Paver Base is crushed rock that contains stones, of varying sizes, with sharp edges that allows it to compact together to form a strong foundation. Perfect for use as an underlayment for paving stones or retaining walls. Paver Base is step 1 in the paver installation materials process. Made in the U.S.A.
Do I really need paver base?
If you want your pavers to last, then you need to ensure that they have a strong foundation. You might have seen cracked or uneven pavers. They are a result of a poorly installed paver base. So in short, installing a paver base is crucial to get an even, flat surface that is easy to walk on and will last for years.
What kind of gravel do I need for pavers?
Medium gravel is the most popular choice for a paver base. It compacts well but not as tightly as fine gravel, leaving enough room for water to drain through. Medium gravel is the middle ground in terms of support and drainage, making it ideal for regular or loamy soil with an adequate amount of drainage.
What to put under pavers to prevent weeds?
Polymeric sand can help prevent weeds with pavers.
What is Type 2 gravel base?
Class II Base is a crushed and graded blend of aggregates designed to compact tightly with the proper equipment. It provides an excellent base to concrete pavers and asphalt or can be used alone as a driveway or pathway.
How do you calculate gravel base for pavers?
Multiply the square footage of the project area by 0.01235. The result is the amount of crushed rocks you’ll need in cubic yards. This will give you a 4-inch crushed rock base, which is the standard depth for a base when installing pavers.
How much area does a bag of paver base cover?
Paver Base Coverage: Each bag is a half cubic foot. This will cover 3 square feet at 2″ deep, 2 square feet at 3″ deep, and 1.5 square feet at 4″ deep.
How many gravel bags do I need?
If you determined that you need to cover 10 cubic feet, simply multiply the project size by 100 pounds, the weight of 1 cubic foot, or two bags, of pea gravel, which gives you 1,000. Divide this by the 50 pounds that each bag weighs to determine the actual number of bags to buy.
How much does a dump truck load of gravel cost?
The cost of gravel ranges from $10 to $50 per ton, $15 to $75 per yard, $1 to $3 per square foot, or $1,350 per truck load depending on the rock type, volume, and travel distance.
How much gravel do I need for a 2.5 gallon tank?
To calculate the exact amount of gravel required, you will multiply the depth of the aquarium in inches by the amount of gravel you have calculated per inch. You can also use an Aquarium Gravel Calculator to help you solve this easily. Generally speaking, you should add about 1 pound of substrate per gallon of water.
How much does a yard of 3/4 gravel cover?
Coverage (Square feet)400sq ftVolume (Cubic yards)2.5cu ydEstimated amount (Pounds)5,951lbEstimated amount (Tons)2.98tonAmount +15% compression3.42ton