how long do you leave the escape boards on?
if we have we can put them on today with an empty super underneath and then tomorrow morning, early, take the supers off.
You may only get 80-90% clearance, but stand the supers on their end on the escape board and hit the rest with the leaf blower.
Also we are only taking one super at a time from a double or triple hive.
Escape boards work best with cold nights, but are still effective in summer here in combination with the leaf blower.