Random laying: running planks without a staircase

Offset patterns · 6 min read · updated 5 November 2026 · Written by Tilelico

Each run of planks starts at a different position, often with the offcut from the previous run. The result imitates a natural wood floor, provided neighbouring joints stay far enough apart.

Real example · calculated by Tilelico

Lounge of 5.60 × 4.80 m, 20 × 120 cm, 2 mm joint

WholeCutCut under 100 mmFixed unit

Almost every cut here has its own length: this is the nature of the pattern, and it means more measuring. Several narrow cuts appear along the walls and the unit, flagged on the plan: try another draw or shift the grid in the editor to reduce them.

Calculated result

Room area: 26.88 m²
Area covered: 23.73 m²
Whole pieces: 54
Cut pieces: 86
Actual need: 140
To order (+12%): 157
Waste with no offcut reuse: 29.4 %
Narrow cuts: 9

Most frequent cuts

86 cuts in 75 different sizes.

C01 · 200 × 1,200 mm× 4
C02 · 174 × 1,200 mm× 3
C03 · 172 × 1,200 mm× 3
C04 · 200 × 1,030 mm× 2

Setting out and products

Starting point 174 mm from the west wall and 597 mm from the north wall, then a 202 × 1,202 mm repeat. Estimated products: 83 kg of adhesive and 3.5 kg of grout.

Reproduce it in Tilelico

1Draw a 5.60 × 4.80 m rectangle, then add in the centre: Fixed unit.
2Choose the covering: 20 × 120 cm, 2 mm joint.
3Select the “Random” pattern.
4Set the distribution to “Balanced cuts” and the margin to 12%.

Open this example in the editor

When to choose it

It is the usual lay for wood flooring and wood-effect tile when you want a natural floor with no repeating pattern.

Best forLong wood-look planks, and large rooms where a repeating pattern would show.
Avoid ifYou want a strict pattern, or the room is small: cuts soon take over.

Continue with: Laying a floating wood floor: expansion, offcuts and direction →

Preparing the job

Set a minimum gap between the joints of neighbouring runs. A 30 cm gap is a common reference; the manufacturer’s sheet may require another.

Mix planks from several boxes to spread the shades.

Continue with: Laying wood-effect tile: offset, joint and direction →

Step by step

Step 1 — Mark the run axisIt follows the planks, from the reference wall.
Step 2 — Start the first runCut its starting end to avoid an offcut that is too small at the far end.
Step 3 — Continue with the offcutIf it is long enough, the end offcut can start the next run. Check that it respects the minimum gap.
Step 4 — Check for accidental patternsStep back: avoid staircases and joints repeating every other run.
Step 5 — Finish with the edgesMeasure each cut in place, as no two have the same length.

Continue with: Quarter-offset laying: a discreet shift for long planks →

Mistakes to avoid

Believing chance is enoughA truly random draw sometimes produces alignments, and the eye spots them at once.
Ordering too tightlyThe lay produces reusable offcuts, but not always at the right moment. Keep an allowance.

These pointers describe common practice, not imposed rules. The data sheet for your covering and for your installation products always takes precedence, and measurements taken on site are the reference.

Frequently asked questions

Does a random lay use more material?

A cautious calculation counts every cut plank as a plank bought. By reusing offcuts, actual consumption can be lower.

Can I reproduce the same plan?

In Tilelico, yes: the draw is kept and the example reopens identically. Another draw gives another plan.

Technical references

This guide describes common installation practices. It does not replace applicable technical documents, manufacturer instructions or measurements taken on site.