Flat, economical crown board 42.5 × 50.5 cm for Dadant US and Langstroth hives. It separates the hive body from the roof without adding a wooden rim.
The board includes a central hole and vent plug, so you can open or close ventilation according to your management and weather conditions.
Because it has no rim, check that there is enough space above the frame tops. If the frames sit flush, a rimmed crown board may give more clearance.
| Type | Flat crown board without rim |
|---|---|
| Dimensions | 42.5 × 50.5 cm |
| Indicated compatibility | Dadant US and Langstroth |
| Detail | Central hole with vent plug |

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