Tile (walls / floor)
Tiles, adhesive and grout, allowing for openings.
Use tiles from one batch (the batch/shade is printed on the pack) — otherwise the colour difference shows on the wall.
Sources and methodology
- EN 12004 / EN 12002 — adhesive classes C1/C2/S1/S2
- Adhesive use — by trowel notch (maker data sheets)
- Grout ≈ 0.5 kg/m²
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Material estimate
Calculator: Tile (walls / floor) · Date: · Materia
Input data
- Surface area: 15 m²
- Subtract openings: 2 m²
- Tile size: 300 × 600 mm
- Tile type: Ceramic (wall tile)
- Installation conditions: Dry room
- Layout method: Straight
- Reserve: 10 %
- Trowel notch: 8 mm
Materials to buy
| Item | Quantity | Unit | Note |
|---|---|---|---|
| Tile 300×600 mm | 80 | pcs | including 10% for trimming |
| Tile adhesive | 52 | kg | 8 mm trowel ≈ 4 kg/m² |
| Grout | 6.5 | kg | roughly 0.5 kg/m² |
Calculation
Net area 13 m² (15 − 2) × (1 + 10%) = 14.3 m² ÷ 0.18 m² per tile = 80 pcs. Adhesive: 13 m² × 4 kg/m² (8 mm notch) = 52 kg. Grout ≈ 0.5 kg/m² = 6.5 kg. The 10% reserve applies to tiles only (for trimming); adhesive and grout are by net area.
The calculation is approximate. Verify consumption against the specific material manufacturer instructions.