The Roof is placed on the top of Langstroth or 3/4 Langstroth Box. The roof can also be used as a bottom in summer time. However, since the roof does not have a ventilation hole in a middle of it, it cannot be used as a bottom in the winter time.
The Roof is placed on the top of Langstroth or 3/4 Langstroth Box. The roof can also be used as a bottom in summer time. However, since the roof does not have a ventilation hole in a middle of it, it cannot be used as a bottom in the winter time.