If you've shopped for travertine or marble pavers, you've probably seen a "French Pattern" set listed alongside individual sizes like 6x12 or 12x24, and wondered what actually separates them. Here's the breakdown.
What a French Pattern set actually is
A French Pattern set is a pre-designed combination of four different paver sizes — typically something like 6x12, 6x18 (or similar), 12x12, and 12x18 — sold together in a fixed ratio that's designed to interlock into a seamless, non-repeating pattern across a large area. Instead of picking one size and laying a uniform grid, you get a layout with visual movement built in, without having to design the pattern yourself.
Why it's the traditional choice for large decks
The mixed sizing means grout lines fall in different places throughout the field, so the eye doesn't lock onto an obvious repeating grid the way it does with a single uniform size. This is part of why French Pattern is such a common choice for Mediterranean and Tuscan-style pool decks specifically — the irregular, organic layout is core to that aesthetic.
Standard single sizes: 6x12, 12x24, 16x24, 24x24
If you want a cleaner, more modern, more uniform look, a single standard size laid in a straight grid or running bond pattern is the more contemporary option. Larger formats (16x24, 24x24) read as more minimal and modern, with fewer grout lines breaking up the surface. Smaller formats (6x12) give more texture and a more traditional feel even without the mixed-size French Pattern approach.
Installation difficulty: is French Pattern harder to lay?
Yes, moderately. Because the pieces are different sizes, more planning and layout work goes into a French Pattern install compared to a uniform grid of one size, and there's more cutting involved at borders and edges. This usually translates to somewhat higher labor cost for installation, even though material cost per square foot is often similar to standard sizes.
Which one should you choose?
French Pattern if you want a traditional, organic, old-world look and don't mind the extra install complexity. A single standard size if you want a cleaner modern look, simpler installation, or you're working with a smaller area where the mixed-size pattern doesn't have enough room to read properly — French Pattern tends to look best across larger, more open deck areas rather than tight or narrow spaces.