An explanation on how my newly designed screened bottom board works.
Back panel of the heated screened bottom board showing the gaps for the top wire screen tray, center heat coil tray, and Varroa Mite count board which actually acts as a seal to prevent cold drafts into the hive.
Compressing aluminum side strips to reinforce wire mesh of top screened slide plate.
Forming screened slide plate
Bending aluminum strips for top screened slide plate.