Short answer: Roof battens support roof tiles. Counter battens create ventilation and drainage below them. The correct size depends on the tile system, spacing, span and structural requirements.
Roof battens and counter battens
| Part | Function | Check |
|---|---|---|
| Roof batten | Supports the tile | Tile size and spacing |
| Counter batten | Ventilation and drainage | Water flow direction |
Check the roof specification before ordering. Shop roof battens and counter battens.