What You Need to Know Before You Start
Installing pavers yourself is possible if you have a level yard and are willing to spend a weekend on the work. The process involves preparing the ground, laying a sand base, setting pavers in a pattern, and filling the joints. Most patios take two to four days depending on size, and you can do it with basic tools—no special equipment required for small to medium patios.
The key to a long-lasting patio is getting the base right. A poorly prepared base will shift, crack, and settle unevenly within a year or two. If your yard slopes more than one inch per four feet, or if you have clay soil that stays wet, you may want to hire someone for the grading step. Otherwise, this is a project a careful homeowner can complete.
Key Takeaways
- Prepare the ground by removing grass and topsoil, then compact the soil so it does not shift under the pavers.
- Lay landscape fabric over the soil, then add four inches of crushed stone base and two inches of sand, compacting each layer.
- Set pavers in your chosen pattern, checking that each one is level and sits firmly on the sand base.
- Fill the joints between pavers with polymeric sand, which hardens when wet and locks the pavers in place.
- Slope the finished patio slightly (one inch per four feet) so water runs off instead of pooling.
Measure Your Space and Gather Materials
Measure the length and width of your patio area in feet, then multiply to get the square footage. Add 10 percent to account for cuts and breakage. If your patio is 10 feet by 12 feet, that is 120 square feet plus 12 extra, so order enough pavers for 132 square feet.
You will need crushed stone (also called gravel or crusher run), sand, landscape fabric, pavers, polymeric sand, and a few tools. For a 120-square-foot patio, plan on roughly 40 to 50 bags of crushed stone (depending on bag size), 20 to 30 bags of sand, and one roll of landscape fabric. A hardware store or landscape supply yard can tell you exact quantities based on your measurements and their product sizes.
Tools you will need: a shovel, a wheelbarrow, a hand tamper or plate compactor (you can rent a plate compactor for $40 to $60 per day), a level, a rubber mallet, a tape measure, a circular saw with a masonry blade (for cutting pavers), and a broom. Wear work gloves, safety glasses, and a dust mask when cutting pavers.
Prepare and Compact the Ground
Mark out your patio area with string and stakes. Remove all grass, weeds, and topsoil from the marked area. Dig down until you reach firm, undisturbed soil. This usually means removing four to six inches of material. Rake the exposed soil smooth and remove any rocks, roots, or debris.
Check that the ground slopes slightly away from your house or toward a drainage area. Use a level on a straight board to measure the slope—you want about one inch of drop for every four feet of distance. If your yard is flat or slopes the wrong way, you may need to add soil to one side or dig out the other side to create the proper slope.
Compact the soil firmly using a hand tamper or plate compactor. Go over the entire area at least twice, working in overlapping passes. The soil should feel hard and solid underfoot—if you can press your boot heel into it, it is not compacted enough. Proper compaction prevents the patio from settling unevenly later.
Lay the Base Layers
Spread landscape fabric over the compacted soil. This blocks weeds from growing up through the patio and keeps sand from mixing into the soil below. Overlap the edges by at least six inches and find the corners with landscape pins or rocks.
Pour crushed stone over the fabric and spread it evenly to a depth of four inches. Use a rake to level it, then compact it thoroughly with the plate compactor or hand tamper. Go over it at least twice until the surface is firm and does not shift when you walk on it. This layer is what prevents the patio from sinking.
Spread sand over the compacted stone to a depth of two inches. Use a straight board laid across the crushed stone to screed (level) the sand—drag the board across the surface to create an even plane. The sand should be damp but not wet; if it is too dry, mist it lightly with a hose. Do not compact the sand layer; pavers need to sit on loose sand so you can adjust them individually.
Set the Pavers in Place
Choose your paver pattern before you start. Common patterns include running bond (like bricks), herringbone, and basket weave. Lay out a few pavers on the sand without moving them to see how the pattern looks and where you will need to cut pavers at the edges.
Start at one corner and place the first paver firmly on the sand. Tap it gently with a rubber mallet until it sits level and does not rock. Check with a level in both directions. The paver should be snug but not forced—if it is hard to set, the sand base may be too high in that spot, so scrape some away and try again.
Place the next paver next to the first, leaving a consistent gap (usually one-quarter inch to one-half inch, depending on your paver style). Tap it level, then check that both pavers are at the same height. Continue across the row, checking frequently that the pavers are level and the gaps are even. When you reach the edge, measure and cut pavers to fit using a circular saw with a masonry blade. Wear a dust mask and safety glasses when cutting.
Work row by row across the patio, checking the overall slope as you go. Every few rows, lay a long straight board across the pavers and use a level to confirm the slope is correct. If a paver is too high, tap it down; if it is too low, lift it out, add a bit of sand underneath, and reset it.
Fill the Joints and Finish
Once all pavers are set, sweep polymeric sand into the joints between them. Use a broom to work the sand into the gaps, sweeping diagonally across the pavers so the sand fills the joints completely. Sweep off any excess sand from the paver surface.
Mist the patio lightly with a hose to set up the polymeric sand. The sand will harden and lock the pavers together. Do not use a heavy spray—a light mist is enough. Let the patio dry for 24 hours before walking on it heavily. Some polymeric sands require a second light misting after a few hours; check the product instructions.
After 48 hours, the patio is ready for use. The pavers may shift slightly in the first few weeks as the sand settles, so check them occasionally and add more polymeric sand to any joints that open up. Sweep the patio regularly to keep debris out of the joints.
Common Mistakes to Avoid
Skipping or rushing the base preparation is the most common error. A thin or poorly compacted base will cause pavers to sink and shift within months. Spend the time to compact each layer properly—it is the difference between a patio that lasts 10 years and one that fails in two.
Not checking the slope as you work is another frequent mistake. It is straightforward to get focused on individual pavers and lose sight of the overall grade. Check the slope every few rows with a long board and level so you can correct it before you have set too many pavers.
Using regular sand instead of polymeric sand in the joints will allow weeds to grow and pavers to shift. Polymeric sand costs a bit more but hardens when wet and keeps the patio stable. It is worth the extra expense.
Cutting pavers without a dust mask or safety glasses is dangerous. Masonry dust contains silica, which can damage your lungs. Always wear protective gear when cutting, and do the cutting away from the work area so dust does not settle on the finished pavers.
Frequently Asked Questions
How long does it take to install a patio?
A 120-square-foot patio usually takes two to four days working alone, depending on how much cutting you need to do and how careful you are with the base preparation. The base work takes the longest. If you have help, you can finish faster.
Can I install pavers on top of existing concrete?
Yes, but the concrete must be clean, level, and in good condition. Sweep it thoroughly, fill any cracks with concrete filler, and let it dry. You can skip the landscape fabric and crushed stone and lay pavers directly on the concrete with a thin sand layer, but the result is less stable than a proper base.
What if my patio area is not level?
You can build up one side with crushed stone to create the proper slope, or dig down the high side. If the slope is more than a few inches, it is easier to add stone than to dig. The goal is a gentle slope away from structures so water drains off.
Do I need to seal pavers after installation?
Sealing is optional and depends on the paver material and your climate. Concrete pavers benefit from sealing in areas with freeze-thaw cycles or heavy rain, as sealing prevents water absorption and reduces staining. Natural stone pavers like flagstone often benefit from sealing. Ask at your landscape supply yard whether sealing is recommended for your paver type and location.
What should I do if pavers crack or break?
Remove the damaged paver by scraping out the polymeric sand around it, then lift it out carefully. Add fresh sand to the base, set a new paver in place, and fill the joints with polymeric sand again. This is one advantage of pavers over poured concrete—individual pieces can be replaced without affecting the rest of the patio.