Laying pavers starts with a level base and proper spacing
Paver installation works in this order: prepare the ground, add a sand and gravel base, set the pavers in a pattern, fill the joints, and compact everything down. The base is what keeps pavers from sinking or shifting. Without it, your patio will develop low spots and trip hazards within a year. Most patios need 4 to 6 inches of compacted base material — gravel first, then sand on top — before the first paver goes down.
The tools you need are straightforward: a shovel, a level, a rubber mallet, a broom, a wheelbarrow, and a plate compactor (which you can rent for $40 to $80 per day). You will also need landscape fabric to lay under the gravel, and polymeric sand to fill the joints between pavers. Polymeric sand hardens when wet and locks the pavers in place, which is why it works better than regular sand for outdoor patios.
Key Takeaways
- Dig out the patio area to a depth that leaves room for 4 to 6 inches of base material plus the thickness of your pavers, usually 2 to 3 inches total.
- Lay landscape fabric first, then add 3 to 4 inches of compacted gravel, then 1 to 2 inches of sand, and compact each layer before moving to the next.
- Set pavers in your chosen pattern (running bond, herringbone, or basket weave are common), using a level and rubber mallet to keep them even and tight.
- Fill joints with polymeric sand, sweep it level with the paver surface, mist with water, and let it cure for 24 to 48 hours before walking on the patio.
- Rent a plate compactor rather than buying one unless you have multiple projects planned, since the cost of renting is much lower for a one-time patio.
Measuring and marking the patio area
Start by deciding the size and shape of your patio. Mark the corners with stakes and string to outline the full area. Measure diagonals — if both diagonals are equal, your rectangle is square. For a curved edge, use a garden hose or rope to sketch the curve, then mark it with spray paint or chalk.
Check the slope of the ground. Patios need to slope slightly away from your house so water drains off instead of pooling. A slope of 1 inch per 8 feet is standard. Use a long level and a tape measure to check this before you dig. If your ground slopes toward the house, you will need to regrade it or build up the far edge.
Digging and preparing the base
Dig out the entire patio area to a depth that accounts for the base layers plus the paver thickness. If your pavers are 2 inches thick and you need 5 inches of base, dig down 7 inches total. Remove all grass, roots, and loose soil. The bottom should be firm and level — not perfectly flat, but not soft or spongy.
Lay landscape fabric across the entire dug area. This blocks weeds from growing up through the patio and keeps the sand from mixing with the gravel below. Overlap the fabric by 6 inches where pieces meet, and pin it down with landscape staples so it does not shift when you add gravel.
Adding and compacting gravel and sand
Spread 3 to 4 inches of gravel (crushed stone, not river rock) evenly across the fabric. Use a plate compactor to pack it down firmly. Make two or three passes with the compactor, working in overlapping rows. The gravel should feel solid underfoot and not shift when you step on it.
Once the gravel is compacted, add 1 to 2 inches of coarse sand on top. Do not use fine sand or play sand — coarse sand compacts better and drains properly. Spread it evenly and use a long straight board (a 2x4 works well) to screed it level. Drag the board across the sand in a sawing motion, using the gravel as a guide. Fill any low spots and screed again until the surface is even.
Compact the sand lightly with the plate compactor. You want it firm enough to hold the pavers steady, but not so hard that water cannot drain through it. One or two passes is usually enough.
Setting pavers in a pattern
Choose a pattern before you start. Running bond (like bricks in a wall) is the easiest for beginners. Herringbone and basket weave look more finished but take longer and waste more material at the edges. Lay out a few pavers dry first to see how they fit and where you will need to cut.
Start at one corner and set the first paver firmly into the sand. Use a rubber mallet to tap it down until it sits level with its neighbors. Check with a level as you go — the paver should not rock. Leave a consistent gap between pavers, usually 1/8 to 1/4 inch, which the polymeric sand will fill. Use plastic spacers if your pavers do not have built-in lugs.
Work in rows, checking level frequently. If a paver sits too high, lift it, remove some sand, and reset it. If it sits too low, add sand underneath. The top surface should be even across the entire patio, with no high or low spots. This takes time but prevents tripping hazards and water pooling later.
Cutting pavers to fit edges
You will need to cut pavers to fit along the edges and around obstacles. Mark the cut line with a pencil or chalk. For straight cuts, use a circular saw with a masonry blade, or rent a wet saw from a tool rental shop. A wet saw is slower but cleaner and safer — it keeps dust down and cuts more accurately.
Wear a dust mask and eye protection when cutting. Make the cut in one smooth pass rather than multiple shallow cuts. If you are cutting many pavers, a wet saw saves time and your lungs. For curved cuts around trees or corners, a wet saw is nearly essential.
Filling joints with polymeric sand
Once all pavers are set and level, sweep the patio to clear any loose sand or debris from the surface. Pour polymeric sand across the patio and sweep it into the joints between pavers. Work in sections, pushing the sand into every gap. The sand should be flush with the top of the pavers, not heaped above them.
Mist the entire patio lightly with a garden hose. Use a fine spray, not a hard stream. The water activates the polymer in the sand, which hardens and locks the pavers in place. Let the water soak in for a few minutes, then mist again. Do not flood the patio — you want the sand damp, not soaked.
Let the patio cure for 24 to 48 hours before walking on it. Keep it dry during this time — if rain is forecast, cover it with a tarp. Once cured, the polymeric sand will be hard and the pavers will move as one solid surface instead of shifting individually.
Maintaining your paver patio
Sweep your patio regularly to keep debris from accumulating in the joints. Every year or two, check the polymeric sand. If it has washed away in spots, sweep new sand into those joints and mist lightly. Over time, weeds may grow through small gaps — pull them by hand or spray with a weed killer made for pavers.
In cold climates, freeze-thaw cycles can crack pavers or shift them. If you notice a paver cracked or sinking, you can remove it, add or remove sand underneath, and reset it. Polymeric sand can be scraped out with a flat tool if you need to reset a section. Paver patios last 15 to 20 years with basic care, and individual pavers can be replaced if one breaks.
Frequently Asked Questions
Do I need to use polymeric sand or can I use regular sand?
Regular sand washes out in rain and allows weeds to grow through the joints. Polymeric sand hardens when wet and locks the pavers together, which prevents shifting and keeps weeds out. It costs more upfront but saves you maintenance work over time.
What if my patio area is not level?
You can build up low spots with extra sand or gravel before laying pavers. The key is that the final sand layer — the one the pavers sit on — must be level. If your ground slopes significantly, you may need to add a retaining wall on the low side or build up the entire patio base.
How long does it take to lay a patio?
A 10-by-12-foot patio usually takes a weekend for one person working alone, or one day with a helper. Most of the time goes to base preparation and compacting. Laying the pavers themselves is faster once the base is ready. Larger patios or complex patterns take longer.
Can I lay pavers on top of concrete?
Yes, but the concrete must be clean, level, and not cracked. Sweep it thoroughly and let it dry. Lay a thin sand layer on top and set pavers as usual. This works well if your concrete is already in good shape and you want a new look without removing it.
What happens if a paver cracks after installation?
You can remove the cracked paver by scraping out the polymeric sand around it, lifting it out, and setting a new one in its place. Reset the sand in that joint and mist it lightly. This is one advantage of pavers over poured concrete — individual pieces can be replaced without affecting the rest of the patio.