Tile
Patio and Outdoor Tile in Charleston, SC
Outdoor tile and porcelain pavers, set to survive being outside.
Outdoor tile and porcelain pavers, set to survive being outside.
Quick answer: Outdoor tile needs movement joints, because an exterior slab moves more than an indoor floor; full adhesive coverage under each tile; a substrate that drains; and a slip rating chosen for a patio or pool deck that is often wet. Large-format porcelain handles water, UV and freeze cycles and has fewer joints, but needs a flatter base. Southeastern Renovation tiles patios in the Charleston area and York County. Call (843) 718-8177.
The substrate has to drain and it has to move. An exterior slab expands, contracts and shifts more than an interior floor, so movement joints are not optional — tile set rigidly across an outdoor slab cracks along the line the slab was always going to move on.
Large-format porcelain has become the material of choice outdoors because it takes water, freeze cycles and UV without changing, and because fewer, larger units mean fewer joints to fail. It is also less forgiving: the larger the unit, the flatter the substrate has to be, and it needs full support underneath rather than five dabs of adhesive.
Slip resistance is worth specifying deliberately rather than discovering. A finish that looks superb dry can be genuinely dangerous wet, and around a pool or on a shaded north-facing patio it will be wet often.
We take this work across greater Charleston, from Summerville and Goose Creek to Mount Pleasant, West Ashley and the sea islands, and on the York County side around Rock Hill, Fort Mill, Tega Cay and Lake Wylie. More on our tile services.
Usually not. Outdoor tile has to handle water, temperature movement and UV, and needs a slip rating that most interior finishes do not have.
It is a different specification, not a different color.
Movement, almost always. An exterior slab moves more than an interior floor, and tile set rigidly across it cracks where the slab was always going to.
Movement joints are structural here, not a detail.
Fewer joints means fewer places to fail, and porcelain handles weather well. The trade-off is that large units need a flatter substrate and full support underneath — they are less forgiving of a poor base, not more.