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welded mesh, wire mesh, welded wire mesh, gabion, gabion basket, gabions, rock basket, retaining wall, wire mesh, plastic coated wire mesh fence, mesh fencing, garden fence, garden fence posts, security cage, mesh cage, cage, mesh grille for car, car grill, weldmesh, weld-mesh, plastic mesh, grille mesh, aluminium mesh, pvc coated welded mesh, sun shade netting, wind shade netting, rabbit trap, trap, rabbit netting, chain link, pvc chain link
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Woven wire 8 mesh available from stock perfect for beehive flooring

The Verroa mite was first found in the UK in 1992 and soon spread throughout the

Country. It devastated the honeybee population and lots of bee keepers were forced to give up.

There is a solution !

 

The Verroa mite is a parasite that is out of balance with its host and multiplies to the extent that it kills the bee colony and then dies itself.

verroa

 

It is well documented that Verroa mites drop off the bees and some will eventually reach the floor. If this is of the solid type the mites can easier climb back onto the comb, but given a mesh floor they fall through to be eaten by ants and the like. Open mesh floors are simply a floorboard where the solid wooden section is replaced with a sheet of wire mesh. It is documented that as many as 40-60% of the mites can be removed from the hive using this method. This method is promoted in the latest UK Ministry of Agriculture leaflet titled ‘Managing Verroa’ where they emphasis this is a method which can be used throughout the year.

The size of the mesh is critical as too small a mesh and the mites will not drop through, too large and the security of the hive will be compromised.

Woven wire has been proven to be the ideal with a mesh count of 8 and a wire diameter 0f 0.7mm giving an aperture size of 2.47mm. Stainless Steel is best although black epoxy coated is sometimes used. The problem with epoxy coated is that beekeepers often like to wipe the flame from a gas torch across the mesh which obviously quickly burns off the coating leaving bare metal to rust. Please call for a quotation 01902 898 208.

Type (you can cut to size easily using a decent pair of scissors) 1-4 5 plus  
ss304 8# .56 (per square meter) 2.46MM APETURE you can get 4 number 460mm squares from 1sqm £40.00 £35.00

MILD STEEL BLACK COATED 8# .71 30M ROLL 1.22m wide (you can only buy this in full rolls) £220.00  

 

 
Ensuring that the interior of the hive is both dry and well ventilated can reduce many other problems including mouldy combs, mouldy pollen, fecal staining on the front of the hive or the combs themselves generally the outer or flank ones. Problems with wax moth, both the Lesser Wax Moth (Achroia grisella) and Greater Wax Moth (Galleria mellonella , can also be alleviated . The easiest way to achieve this is to use ‘ Open Mesh Floors’ ( omf’s or screened bottom boards ).  

An example of a bee hive floor construction

Kindly reproduced from http://website.lineone.net/~dave.cushman/natomf.html

Open Mesh Floor to suit National Hive, in America they call this a "Screened Bottom Board"

 

 

The Grain should run along the longest dimension of any part.

Cut all seven parts to 460 mm length before the forming joints.

22 mm square stock is available from some woodworker's supply shops. Some other DIY chains have 21 mm square material that can be used with appropriate adjustments to the joint dimensions and reducing the entrance block rebate to 2 mm.

I have indicated stainless steel 8 mesh 450 mm square as the most suitable infill.

National Open Mesh Floor

The under rim should be made first, gluing and screwing the corners.

The mesh should be stapled in each corner and along the exposed front edge,
then the upper rim parts are added using 38 mm Csk twin thread woodscrews through the bottom rim into the top parts so that the heads of the countersunk screws are underneath.

An entrance block of 421 mm x 21 mm x 21 mm (Thorne's size) will suit the 22 mm timber version or if 21 mm stock is used the entrance block needs planning down to 20 mm square to suit.

 

The version as drawn above is simple to construct. If petroleum jelly is used on the upper surface of the top rim and linseed oil is used on the other wooden parts, (take care that the linseed oil does not block any of the holes in the mesh panel, as it will dry to a rubbery consistency).

A description of how and why these items are used is given by Ken Hoare in the document Open Mesh Floors.

 

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