Alpine H108 frame has edge for wax installation.
You can add wax on edge with dipping edge in liquid wax or with help of brush.
For wax coated you need to melt a small amount of primary pure wax.
Take the top bar and touch the tip of the ridge of melted wax, covering the crest and creating a benchmark for the construction of the the wax field.
Lower bar of frame is vertical, it allow to the bees to pull wax field as close as possible to the upper bar of the lower frame.
The frame has locks in the upper and lower connection.
Beehive for this frames you can see Alpine H108 hive