Tiles & layout
Tile layout mistakes to catch before adhesive
A perfectly centred grid can still leave awkward cuts at the doorway. The goal is a balanced visible layout, not simply starting in the nearest corner.
Understand the requirement
A perfectly centred grid can still leave awkward cuts at the doorway. The goal is a balanced visible layout, not simply starting in the nearest corner. Check opposite edges, door thresholds, fixtures and pattern direction together. Dry-lay a representative row before committing to adhesive so you can see the actual joint rhythm.
Choose the right calculation
Test shifting the grid by half a tile to improve narrow edge strips. Include the real joint width in each repeated module and the specified perimeter joints separately. Do not let a room that is slightly out of square force inconsistent internal joint widths. Record a reference axis and check cumulative dimensions from that axis.
Check the product and the order
Check the exact tile size and the installation system before counting boxes. Nominal format, usable face size and joint module are different concepts. Adhesive selection, substrate preparation and movement joints need their own product instructions. Store a few matching intact tiles deliberately if future repair access matters, rather than relying on irregular border fragments.
Worked example
A transparent planning example
Use these inputs to follow the calculation. The result below explains what can and cannot be concluded from it.
| Full tiles | 5 |
|---|---|
| Face width | 300 mm |
| Internal joints | 4 × 3 mm |
Five tiles occupy 1512 mm before the perimeter joints, not 1500 mm. Across ten similar modules, ignoring joints becomes a visible layout error. Measure the actual tiles as well as reading the nominal box size.
Compare the scenarios
The following comparison isolates the quantities or assumptions discussed in the example. It is a planning illustration, not measured performance data.
Values are calculated from the illustrative inputs above. Different products or dimensions change the result.
Planning checklist
- Measure the actual project and record the units next to every dimension. Identify the regions or parts counted so nothing is included twice.
- Confirm the exact material format and its product instructions. Replace the example inputs with declared dimensions, coverage or yield from your chosen product.
- Calculate the net requirement first. Show cutting or application allowance separately and check whether the example method fits your geometry.
- Convert to whole supplier units once, then price the complete order including compatible accessories, delivery and any separately specified repair stock.
Mistakes to avoid
Do not mix millimetres and metres in the same multiplication. Do not apply a reserve twice, and do not treat a rounded purchase unit as proof that every part fits. Recheck the specific limitation described in the worked example before paying for the order.
Questions and answers
Can I copy the example quantities directly?
No. The examples demonstrate the calculation, not your exact room, layout or product. Replace the inputs and check the specific limitation explained with the result.
What should I verify before ordering?
Five tiles occupy 1512 mm before the perimeter joints, not 1500 mm. Across ten similar modules, ignoring joints becomes a visible layout error. Measure the actual tiles as well as reading the nominal box size.