How to tile a roof with plain tiles
- how much should roof tiles overlap
- how much should roof shingles overlap
- how much do roof tiles overlap
- what overlap on roof tiles
How to tile a roof with slate...
Slate Roof Tile Calculator
Ensure you have the correct amount of slate tiles for your roof.
Our online calculator lets you work out exactly how many your roof will require, along with other useful calculation such as batten gauge, number or battens and a tile holing gauge.
Calculate Number of Slates
How to Use
- Tile Size: the dimensions of your slate tile.
- Headlap: the desired headlap (overlap between tiles) in millimeters.
- Roof Area (Optional): the total area of your roof in square meters.
- Calculate: Click the 'Calculate' button to get the number of tiles per square meter, the batten gauge, the holing gauge, and, if roof area is provided, the total tiles and battens needed for the roof.
Calculator checked on By Jamie
Calculations Used
| Batten Gauge | (Length of Slate - Headlap) / 2 |
| Holing Gauge | Batten Gauge + Headlap + 10mm |
| Tiles Needed per Square Meter | Depends on tile size and headlap |
| Total Tiles Needed | Tiles per Square Meter × Roof Area |
| Total Battens Needed | Battens per Square Meter × Roof Area |
Half Slates at the Verge
In order to main
- how much should roof tiles overhang
- how heavy is a tile roof