It is best to ensure that your hives are off the ground on suitable stands.
National beehive roof.
The roofs that i made at apex enterprises were 514 mm square overall and were nominally 150 mm or 255 mm deep.
1 x 6 clear pine.
The nbu does not go into much detail but does say the following on hive ventilation.
1 x 10 cedar.
This information is by kind permission of the scottish beekeepers ass n.
20 1 4 x 5 3 4 x 3 4 these are the long side panels.
The size of the roof should be such that there is adequate clearance between the inner faces of the skirt and the outer faces of the hive boxes 9 mm to 13 mm all round is adequate.
The entrance has a hinging section which allows the removable floor in the hive to be removed as long as it is forward facing.
Simply stack the roof on top of your inner cover and that s it your british national hive is ready for her royal majesty and her subjects.
The roof sits on top of it all.
When making parts please remember the b s.
The bnh uses a telescoping cover design meaning the cover fits on and over the hive like a hat.
Damp rather than cold kills bees so check hives especially roofs to ensure rain is shed away.
Normal 0 false false false en gb x none x none microsoftinternetexplorer4 this offer is for a new complete flat packed national beehive made from top quality cedar.
It provides ventilation and protection from the elements.
The national hive is the most popular in the uk it is a single walled hive and is easy to handle and manipulate.
18 x 1 1 4 x 3 4 two of these are the long sides of the inner ridge rail and the other two are the short sides of the inner ridge rail.
National bee unit nbu advice on hive ventilation.
Build your own beehives with thorne.
As well as the buttons above there are dimensional and construction details here for the national hive.
Quantity material dimensions notes.
Complete set of instructions varroa floor inclu.
The national hive roof is not used and is replaced by a 460mm square sheet of plywood with vent holes instead.