Yes, you can lay pavers over an existing concrete patio, but only if the slab is sound, drains properly and leaves enough height at your doors. If the slab is cracked, heaving or holding water, the overlay will fail and the slab needs to come out. We check all three on site before recommending either route.

When does a paver overlay on concrete work?

An overlay makes sense when the slab is doing its job and you just want a better surface. Look for these conditions:

•A solid slab: No major cracks, no sections that have dropped or lifted, and no rocking when you step on the edges.

•Good drainage: The slab slopes away from the house and water does not pool on it.

•Enough height: Adding pavers raises the finished surface, and that has to fit under your door threshold.

•Stable ground underneath: The slab has not moved over the years.

A overlay can save you demolition and haul-away, which is often a real part of the cost of a tear-out.

When should you tear the slab out instead?

A cracked or heaving slab is the biggest red flag. Pavers do not fix what is going on underneath. Cracks and movement telegraph up through the new surface, and a mortar-set overlay can crack along the same lines.

In the Lowcountry, sandy and clay soils, heavy summer rain and high water tables can all let a slab settle or tilt over time. Tree roots do the same. If the slab has already moved, expect it to keep moving.

Also consider a slab that slopes toward the house or holds standing water. An overlay can hide the problem without solving it.

How high will the patio sit after pavers go on?

This is where many overlay plans get tight. The finished surface is the slab plus the bedding layer plus the paver, so the patio rises. If your door threshold is already close to the slab, you may run out of room.

You generally want the patio to sit below the door threshold, with a clear step-down so rain does not run toward the house. Required clearances vary by home, siding and local code, so check with your building department and your HOA before you commit. If the numbers do not work, lowering or removing the slab is the answer.

What are thin overlay pavers?

Thin pavers are made for exactly this job. They are slimmer than standard pavers, so they add less height. They are usually bonded to the slab instead of set in sand.

•Pros: Less added height, less material, and a finished look similar to a standard paver patio.

•Cons: They depend on the slab staying put and on a good bond, they offer less of the flexibility a sand-set system has, and they are not as forgiving when the slab moves.

Standard pavers can sometimes be set over a slab too, but drainage needs real planning so water does not get trapped between the pavers and the concrete.

What are the other options?

Overlays are not the only way to refresh a tired slab. Here is how they stack up:

•Resurfacing or staining concrete: Lower effort, but it will not hide cracks for long and it is still concrete.

•Tile or stone over concrete: Looks good, but it needs a stable slab and good drainage, and some surfaces get slick when wet.

•Tearing out and building a new paver patio: More work up front, but you get a properly built base, planned drainage and a system that flexes with the ground instead of cracking.

Near the coast, including Sullivan's Island, salt air and wind-driven moisture add wear to any surface, and some neighborhoods have their own rules on materials and structures. Check with your HOA and local officials first.

Frequently asked questions

•Do I need to fix cracks before laying pavers over concrete?

Hairline cracks in a stable slab may be fine. Wide cracks, or cracks where one side sits higher than the other, mean the slab is moving and an overlay is a poor bet.

•Will pavers over concrete drain properly?

Only if the slab slopes the right way and water has somewhere to go. Concrete does not absorb water, so drainage has to be planned from the start.

•Is an overlay cheaper than a new patio?

Often, because you skip demolition. The final price depends on the slab condition, the paver you pick and any prep needed.

•Want us to look at your slab?

We are happy to walk your site and tell you straight whether an overlay will hold up. Every project starts with a free design and build estimate: an on-site visit and three price points for the same scope at different material levels. Once you book, we create a custom 3D design so you can see the plan before we build. Every paver install includes a 10-year workmanship warranty. No pressure, just a clear answer.