Foil under hive roof

Crown Board Film for Hive 51.5 × 50 cm – Colony Overview Without Unnecessary Disturbance

Keep your colony under control without having to disassemble the entire hive during every inspection. Transparent crown board film measuring 51.5 × 50 cm allows you to quickly check what's happening under the lid while helping maintain stable microclimate in the hive. It's made from durable PVC with food-grade certification, making it safe for bees and long-lasting with regular use.

Why Use Crown Board Film

The biggest advantage is instant visual inspection without unnecessary cooling of the brood nest. After lifting the lid, you can immediately see where the cluster sits, how the colony occupies the frames, and whether they have sufficient stores. The film also functions as an effective barrier against bee access to insulation in the lid – it reduces chewing of polystyrene and unwanted propolizing where it interferes with hive work.

Proven Tool for Winter and Early Spring

You'll appreciate it most during winter dormancy and pre-spring, when it helps in two ways:

1. Thermal stability: Limits upward air flow and reduces heat loss, making it easier for bees to maintain the necessary microclimate.
2. Condensation water: Water vapor can condense into small droplets on the underside of the film, which bees can use when diluting stores. This way they don't have to risk flights for water in unsuitable weather.

Recommendations for Proper Use

The 0.4 mm thick film can remain in the hive year-round, but provides the greatest benefit in winter and during periods of limited interventions. Pay attention to proper hive ventilation and continuously monitor whether excessive moisture is forming, which could cause molding of outer, unoccupied frames. With proper ventilation setup, the advantages (warmth, overview, and possible water source) clearly outweigh the disadvantages.

Technical Parameters