A good paver base is very important when installing outdoor pavers like those for driveways, walkways, patios, and retaining walls. Experts use different kinds of bases depending on the job and what type of pavers they will put down. A good base makes sure pavers stay in place for a very long time and do not move. However, different types of bases have their benefits and drawbacks. In this post, we will guide you about the paver base and everything around it.
Basics of Paver Base
The paver base is the lower layer placed under your natural stone pavers and porcelain pavers. They are usually made of materials such as crushed stone, gravel, or sand. This base is created for a stable and strong foundation. It serves as a cushion between the earth and the pavers which aids in spreading weight evenly. It is also helpful in stopping them from moving over time. A paver base is a crucial layer as pavers may appear uneven without it. They may crack or move when people walk, place furniture, or drive vehicles over them. They act like the backbone of your outdoor paving project. By making a strong base, your paver installation will stay good for a longer time.
Why Is Paver Base Important?
Here is why a paver base is important for your paving project.
Prevents Shifting and Sinking
A properly created paver base will keep your pavers stable by reducing movement. You can expect a sturdy and compact foundation that will help prevent the pavers from sinking, shifting, or developing gaps. This is crucial in the freezing climates and throwing cycles as the soil shifting in these areas is common which causes movement.
Improves Drainage
Water draining is an important part of installing the pavers. A good paver base will allow the water to drain away effectively. This will prevent moisture formation and pooling under the surface. This drainage feature helps avoid problems such as erosion, mould, or mildew that can damage the pavers over time.
Increases Durability
A strong paver base can also add longevity to the installed pavers. It will help your patio or driveway pavers to withstand everyday use, wear and tear. Whether it is the foot traffic or the pressure of a parked car, it will not show the signs of damage too soon.
Ensures a Smooth, Level Surface
The paver base helps create an even surface for laying pavers. A level base means your pavers won’t feel uneven, improving both the appearance and safety of the area.
What Are the Different Paver Bases Types?
There are different types of paver bases which are:
Gravel Base
Gravel bases usually consist of medium to large stones. They are durable and provide good drainage. Gravel is a great option for areas with heavy foot traffic or where rainwater drainage is a priority.
Sand Base
Sande bases are used as the top layer above a gravel base. It provides a cushion and allows each pavers to settle in place while filling the gaps between them. It’s crucial for creating a smooth, even surface and can help prevent shifting.
Crushed Stone Base
Crushed stone bases are often called crusher run or quarry process. It uses a mix of crushed stone and dust that creates a hard and compact base once settled. This is one of the most popular pave bases to install pavers because of their durability, budget-friendly, and good drainage.
Limestone Base
Limestone is another base option and is known for its stability. It compacts well and has a natural finish, which some homeowners prefer for its aesthetics.
Recycled Concrete Base
Some eco-conscious homeowners prefer recycled concrete as a paver base. This material uses old concrete pieces that have been ground up and can perform well as a base, though it may not compact quite as firmly as other options.
Paver Base vs. Paver Sand
When laying down pavers for a project Paver base and Paver sand are typically used in conjunction with each other; They possess characteristics that set them apart. Here is what makes them different from each other.
| Feature | Paver Base | Paver Sand |
| Purpose | Forms the solid foundation for stability and drainage | Acts as a final bedding layer, filling gaps and leveling pavers |
| Material Composition | Typically gravel, crushed stone, or limestone | Fine sand |
| Placement | Installed as the lower layer beneath paver sand | Applied as the top layer, directly under the pavers |
| Function | Provides strength and prevents pavers from shifting | Allows pavers to sit evenly and locks them in place |
| Importance | Essential for stability and long-term durability | Essential for smooth, even placement |
| Risk Without It | Pavers may shift, sink, or become uneven over time | Pavers may not settle evenly and could shift or wobble |
Are The Paver Base And Gravel Similar?
Gravel is a crucial element in creating a paver base and they are two different components.
Gravel:
Gravel generally refers to larger loose stones that provide stability and drainage. The paver base however is a mix of gravel, sand, and sometimes finer crushed stone that is compacted to create a level and stable surface. However, gravel stones are not compact enough for a paver project. This is why it’s only one part of the base rather than the whole thing.
Paver Base:
On the other hand, paver bases have multiple layers.
Sub-base Layer
This layer often includes larger crushed stones or gravel that provide stability.
Base Layer
Made up of finer materials, like crushed stone or sand, this layer is compacted down to form the main foundation.
Bedding Layer
The topmost layer, usually made of sand, acts as a smooth, even surface for placing the pavers.
How Much The Paver Base Can Cost You?
Pavers base can be priced differently depending on the type of materials and quantity used for the project. Generally:
- Gravel and crushed stone may cost around $15 to $30 per cubic yard.
- Sand used for the bedding layer usually costs around $10 to $20 per cubic yard.
- Limestone can cost more. It may reach around $20 to $40 per cubic yard, due to its density and durability.
This is the general idea about the cost of the paver base. But, the cost may go up depending on how big and deep your project is. You can think of spending from $100 to $500 for materials of paver base in most backyard patio projects. The larger areas or driveways may increase this cost as well.
How To Calculate Depth Of Paver Base For Project?
You will need to calculate the accurate depth of your paver base as it is essential for the stability of the paver. Here’s a general guideline for depth based on different uses:
- Patios and Walkways: You will need around 4-6 inches of depth.
- Driveways: You’ll need around 8–12 inches thicker, as it needs to support vehicle weight.
To calculate how much base material you’ll need:
- Measure the length and width of your paver area.
- Multiply the area by the desired depth (in feet) to get the cubic feet.
- To change cubic feet to cubic yards, you must split by 27 because one cubic yard is the same as 27 cubic feet.
For example, if you’re installing a 10×10-foot patio and need a 6-inch (0.5 feet) base: 10 feet x 10 feet x 0.5 feet = 50 cubic feet
50 cubic feet ÷ 27 = about 1.85 cubic yards
You may also want to round up or add a little extra for unexpected adjustments.
Conclusion
Knowing the basics of the paver base is very important for making a strong and lasting paver setup. By choosing good materials and having the right depth, you make solid ground that keeps your pavers flat and looking nice for a long time. No matter if you work with gravel, sand, or crushed stone, the correct paver base makes your outdoor area last longer and look better. It gives you a strong surface to enjoy without concerns. Keep in mind that preparing the base well is like putting money into your house because it saves time, effort, and costs later on.
Read also our guide on How to install pavers.