Outdoor living · Nashville, TN

Why Paver Patterns Are Hard to Get Right

Techo-Bloc modular mix is a recipe. Buy the wrong pallet sizes and the pattern dies at the edge, where you start inventing a new layout to finish the run. We count the modular field, the soldier-course border, and the step treads as separate takeoffs before we order. A soldier course is usually rectangles set perpendicular to the edge. It frames the field and hides the last irregular joint. Wallaby Decks, FWF Construction LLC, GC #75052. Call 615-863-1836. Hermitage.

A paver patio lives or dies in the pattern. The color is what people notice first. The pattern is what they live with: the joint lines, the border, the step, the post that punches through the field. Get the pattern wrong and you see it every time you walk outside. You also buy the wrong pallet mix, and the edge of the patio is where that mistake shows.

We install Techo-Bloc. That is the line we use. The factory publishes laying patterns and mix percentages for a reason. The installer, not the catalog, is responsible for buying the right sizes.

This is how we pick a pattern, and why it is harder than it looks.

Three pattern families

Running bond (linear). One size, or mostly one size, laid in rows. Joints step in a regular offset. Clean. Fast to read. A long run of the same slab can look like a hallway. Fine for a walk. Often too quiet for a patio you sit on.

Herringbone. Rectangles at 45 or 90 degrees. Strong lock-up. Busy on a small pad. Techo-Bloc Everest herringbone (their pattern 07) is an 80 / 20 mix of the 250x500 and 250x250 slabs. You cannot herringbone a field of only large squares.

Modular (random). Three sizes in one field: 250x250, 250x500, and 500x500. In inches that is about 9-13/16 x 9-13/16, 9-13/16 x 19-11/16, and 19-11/16 x 19-11/16. The joint map looks irregular. No long butt joints. This is the pattern most Nashville patios actually want, and it is the one that fails if the mix is off.

Techo-Bloc names the modular layouts pattern 10, pattern 11, and pattern 12. Pattern 11 uses all three sizes (about 63% large square, 25% rectangle, 12% small square). Pattern 12 is closer to even large-square and rectangle, with about 10% small square. Pattern 10 is a two-size modular, mostly large squares. We pick the pattern before we order pallets, not after the truck shows up.

See Techo-Bloc Everest slabs for sizes and published laying patterns.

Why the mix math matters

Each pattern is a recipe. Buy 100% large squares and you cannot lay pattern 11. Buy too many small squares and they pile up at the edge, or you cut them into waste. The last 8 feet of a patio is where a bad mix becomes obvious: you are short one size, so you start inventing a new pattern to finish the run.

We count the field, the soldier-course border, the treads, and the cuts around posts before we order. The border is not the same mix as the field. The steps are not the same mix as the field. If you order "a patio" as one pallet type, the pattern fails at the edge and you buy a second trip.

HD2 is Techo-Bloc's texture and pigment system. HD2+ is the factory stain seal, lower absorption, better against Nashville wet-dry and a summer of grill grease. That is a product choice. It is not a pattern choice. Do not pick HD2+ to fix a bad layout.

The hard parts are not the field

The field is the easy third of the job if the mix is right. The hard parts are the things that break the grid.

Soldier course. A border of one size, usually rectangles, set perpendicular to the edge. It frames the modular field and hides the last irregular joint. Skip it and the random pattern runs off the patio like a torn rug. The border has its own count. It is not leftover field stone.

Steps. Two-tier wrap steps need treads large enough to read as a step, a slight overhang, and risers that match the field color. You cannot steal those slabs from the modular mix without wrecking the percentage. Plan the stairs as their own takeoff.

Posts. A square wood post cut into the field is a test. Every paver that meets that post is a custom cut. Do it after the pattern is set, not before. Chase the joint to the post. Do not let a small square become a sliver.

Clipped corners. An angled edge looks simple in a sketch. In a three-size modular it means a new termination for every course. The soldier course has to turn that angle. This is where people start butt-jointing to "make it work." We do not.

Joints. We hold about 1/16 in. No butt joints. Polymeric sand stays below the chamfer so the edge of the slab still reads. Do not run a flat plate compactor on large-format slabs. That is how you hairline a 500x500.

How we pick yours

We stand in the yard. We look at the brick, the door, the grade, and how you walk to the pad. Then we pick a family (modular, herringbone, or running bond), then a Techo-Bloc pattern number, then a color from samples in the sun, not from a phone screen.

A cream brick house will take a dark field. A dark field needs a clean border so the patio does not smear into the lawn. A small pad cannot carry herringbone and a busy border at once. We would rather do 10 extra minutes on the takeoff than 18 extra cuts on the last day.

We have been building since 2000. Nashville since 2018. Same crew that flashes a deck ledger will set this base: grade, compact the aggregate, set the edge restraint, then the pattern. The patio is only as good as the base under it.

What we do not do

We do not publish a price on this page. Every yard is a different cut list. You get an itemized bid after a site walk.

We do not name a color on a photo until we have the SKU. The patio in the photo is a finished Techo-Bloc job. Private residence. The pattern is the lesson: modular field, soldier course, two-tier wrap steps, post cut in clean.

Paver pattern FAQ