evdama
New Bee
I have some very nice flat galvanised perforated sheet which would be great for ventilation but I think at 4mm aperture its too big
Anyone know whats the maximum size?
Anyone know whats the maximum size?
Vent mesh
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Right on the borderline? http://www.dave-cushman.net/bee/bsp.html
enrico
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I don't have vents, I block them off. Tried using 5mm on a home made travel screen. Lasted twenty miles and then the car filled with bees!!!!!!!! One through, all through!
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Same here...not that i use them much but my wooden roofs have the vents blocked of with insulation inside..my Abelo roofs do not have any vents so no need to block them off..
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Is that just a winter thing-you open up in summer?
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The best aperture is approximately 0x0 - absolutely no need for vents in a beehive. Not needed in Africa, certaily superfluous in this country
TooBee...
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evdama
You'll find on this Forum (from my observations) that the Official Beekeeping (BBKA) Orthodoxy is not generally followed in some cases, Top Ventilation is a very good example, many here will ridicule the idea, there are numerous reasons if you want us to go into them we can
I don't use Top Ventilation either, I came to that conclusion after reading some research papers, especially Tom Seeley's and Derek Mitchell's... bottom line it creates a draft = cold(er) bees, and reduces humidity which is needed in the Brood area - condensation is not an issue if you place better insulation above the Crown Board than exists on the walls, an 1" (at least) of Kingspan (or equivalent) does the job.
You'll find on this Forum (from my observations) that the Official Beekeeping (BBKA) Orthodoxy is not generally followed in some cases, Top Ventilation is a very good example, many here will ridicule the idea, there are numerous reasons if you want us to go into them we can
I don't use Top Ventilation either, I came to that conclusion after reading some research papers, especially Tom Seeley's and Derek Mitchell's... bottom line it creates a draft = cold(er) bees, and reduces humidity which is needed in the Brood area - condensation is not an issue if you place better insulation above the Crown Board than exists on the walls, an 1" (at least) of Kingspan (or equivalent) does the job.
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No - vents aren't needed at any time of the year
Top ventilation ( in the roofs) is only required for ventilating the roof space - so that any otherwise trapped moisture can be vented, thereby avoiding damp, mould and rotten wood.
I found out, years ago, that the roof vents got propolised, before I realised that the colonies did not want ventilation in the crownboard! Solid crownboards only, for the last 15 years, or so.
Try putting an OMF over the colony in summer (or even a cloth). The bees will propolise the lot, given time.
I found out, years ago, that the roof vents got propolised, before I realised that the colonies did not want ventilation in the crownboard! Solid crownboards only, for the last 15 years, or so.
Try putting an OMF over the colony in summer (or even a cloth). The bees will propolise the lot, given time.
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If the bees have access to the vent mesh, they will propolise it !
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