To prevent your pavers from sinking or shifting, you need a solid, properly drained foundation. Install the following four layers in order, excavating about 9 9 to 12 12 inches deep depending on the paver thickness and your local soil type:
Properly preparing the ground is the most important step for a long-lasting paver project. You must excavate the area roughly 7–9 inches deep, ensure the ground slopes away from your home for drainage, add a 4–6 inch compacted gravel base, and top it with 1 inch of leveling sand.
What to put down before pavers?
Yes, you can lay pavers directly on dirt, but it is not recommended for permanent or high-traffic areas. Without proper excavation and a base, your pavers will quickly shift, sink, erode with rain, and become uneven tripping hazards.
7 Common Paver Installation Mistakes (and How to Avoid Them)
Without gravel, the soil underneath can shift or settle over time—especially after heavy rain. This leads to pavers becoming uneven, causing tripping hazards and unsightly dips or humps in your patio or walkway.
Spring Remains the Best Time to Put in a Paver Patio
While planning should start earlier, spring is still the most dependable season for installation. After winter rains begin to ease, soil conditions stabilize enough to support proper base preparation and compaction.
Yes, you need sand under pavers, specifically as a 1-inch thick "bedding layer" over a compacted gravel foundation. This sand layer provides a smooth, workable surface for fine-leveling the pavers and allows them to settle securely during the final compaction process.
In terms of material costs alone, concrete is generally cheaper than pavers, especially if you're opting for plain, poured concrete. However, the flexibility and variety offered by pavers might justify the higher price for some homeowners.
For most homeowners, the installed cost of a 20×20 paver patio ranges from $6,000 to $14,000, depending on materials, site conditions, and design complexity. These prices usually include materials, base preparation, labor, and standard installation, but not every contractor scopes projects the same way.
Hand tamping is generally acceptable for small, low-traffic projects like a garden path or a small patio (under 50 sq ft). However, for larger areas, driveways, or projects requiring structural integrity, it falls short of the deep, uniform compaction achieved by mechanical plate compactors.
Installing pavers is a great weekend DIY project that transforms your outdoor space. The secret to a long-lasting, shift-free surface is entirely in the foundation. Here are the 5 essential steps to get professional results for your patio or walkway.
September and October can be a good time to install a patio, particularly in early autumn when temperatures are still mild and the ground is stable. However, increased rainfall can be a challenge, making it important to choose a period of dry weather for installation.
Before laying the pavers, a layer of bedding sand is placed over the compacted base material. This layer provides a bed into which the pavers are set. The sand bedding also helps to protect the sand joints from being eroded away.
For a long-lasting, professional finish, you should use both. Gravel serves as a structurally stable, well-draining foundation, while a thin layer of sand is placed on top to level and lock the pavers into place. Never lay pavers directly on dirt or sand alone.
Not making it level. One of the most common mistakes when designing a new paved patio is not making it level. This can be a big problem, especially following rain. If your patio is not level, water can pool in certain areas and freeze in winter, creating dangerous conditions for anyone who uses your patio.
Answer. Yes, Dawn soap can be used to clean pavers. Mix a few drops of Dawn with water, scrub the surface with a brush, and rinse thoroughly. However, for tough stains or large areas, a specialized paver cleaner may be more effective.
How long do paver installations typically last compared to concrete? Well-installed pavers can last 30 years or more with minimal upkeep. Concrete patios generally last 20–25 years and may require resurfacing or patching over time.
A 20-foot by 20-foot concrete patio runs between $3,200 to $7,200, including labor and materials.
A 50 lb bag of polymeric sand typically covers 60 to 85 square feet for standard pavers with narrow joints. However, coverage depends heavily on joint size and paver dimensions:
The standard, industry-recommended depth for the sand bed (bedding sand) under pavers is 1 inch (approximately 2.5 cm). This layer provides a consistent, screeded surface for leveling pavers while maintaining structural stability. Do not exceed 2 inches, as too much sand can cause uneven settling and a "trampoline" effect.
Yes, you can technically lay pavers without gravel, but it is highly discouraged. Skipping the gravel base leaves your pavers without structural support, leading to shifting, sinking, water pooling, and uneven tripping hazards within a year.
Cold Temperatures: Make sure the ground temperature is at least 50°F (10°C) for proper adhesion. If temperatures drop below this, the asphalt may cool too fast before compaction is complete, leading to weak spots.
Pavers typically last between 25 to 100+ years, depending primarily on the material you choose and the quality of the base installation. Because individual paving stones are designed to shift with temperature changes and soil movement, they avoid the cracking issues of solid poured concrete.
A 20x20 paver patio (400 square feet) costs $4,000 to $14,000 installed. With standard concrete pavers and a straightforward layout, expect $5,000 to $8,000. Natural stone pavers, curves, or integrated features like a seat wall push the cost toward the higher end.