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  1. #1
    Join Date
    Mar 2013
    Location
    Shickshinny, Pennsylvania
    Posts
    731

    Default Solid or Screened Bottom Board

    Is this a seasonal thing , solid for winter less cold air getting in and screened for summer more air flow , or other reasons .

  2. #2
    Join Date
    Feb 2011
    Location
    Lake County, Indiana
    Posts
    82

    Default Re: Solid or Screened Bottom Board

    No, it is year round. I have both solid and screened bottom boards. Some SBB's are closed, some are open during the winter. In the summer they are always open. Which is better, solid or screened. Your guess is good as mine.

  3. #3
    Join Date
    Mar 2008
    Location
    Westchester NY
    Posts
    230

    Default Re: Solid or Screened Bottom Board

    Solid
    http://www.peekskillnurseries.com
    Specialists in Ground Cover plants since 1937

  4. #4
    Join Date
    Nov 2011
    Location
    Rader, Greene County, Tennessee, USA
    Posts
    4,995

    Default Re: Solid or Screened Bottom Board

    I make my own bottom boards, but they are similar to Country Rubes boards.
    http://store.countryrubes.com/screen...nfinished.aspx

    There is a tray or stickyboard that fits under the screen. On my boards, that tray is sitting on a solid bottom. The only opening is where the tray can slide out, and I will generally have that opening blocked with a board.

    So I have a screened bottom board, but it is not open to the exterior and not used for ventilation.
    Last edited by Rader Sidetrack; 03-18-2013 at 03:58 PM. Reason: clarification
    Graham
    USDA Zone 7A Elevation 1400 ft

  5. #5
    Join Date
    Mar 2013
    Location
    Shickshinny, Pennsylvania
    Posts
    731

    Default Re: Solid or Screened Bottom Board

    Don't understand wouldn't the screen let in way to much cold air in the winter and the solid would be way to hot in the summer.

  6. #6
    Join Date
    May 2009
    Location
    Flora,IL
    Posts
    2,649

    Default Re: Solid or Screened Bottom Board

    Quote Originally Posted by laketrout View Post
    Don't understand wouldn't the screen let in way to much cold air in the winter and the solid would be way to hot in the summer.
    You would think, but it appears not. Vanelsdorp just published some info on hive survivibility, and it showed no staatisical differnces between screened and solids..... I personaly think there is a glitch in the data in that maybe not as many in the north use SBB. ( I don't know) I can tell you in my experince queens don't like to lay next to a SBB. I think its harder for the brood to maintain temp and humidity. but I have no data. I can tell you that mite counts are virtually the same in solid or screened in my yards. That said, I am weeding out the screens, but not in panic mode

  7. #7
    Join Date
    Jan 2011
    Location
    Athens, OH
    Posts
    2,533

    Default Re: Solid or Screened Bottom Board

    The tray in my SBBs are slid in 90% in winter, just to keep out gusts. Open 10% for ventilation. I don't worry about the cold, only damp.
    Is it solipsistic in here, or is it just me?

  8. #8
    Join Date
    Nov 2009
    Location
    Manning, SC
    Posts
    1,765

    Default Re: Solid or Screened Bottom Board

    All my new bottom boards will be solids .... more brood in a solid.

  9. #9
    Join Date
    Aug 2005
    Location
    Washington County, Maine
    Posts
    2,442

    Default Re: Solid or Screened Bottom Board

    I think screened boards were something of a fad; from what I can observe use of them is falling off quickly.

    They are part of an interesting IPM for Varroa Mites tool. The mites were supposed to fall off the bees, fall through the screens either onto a sticky board or the ground underneath the hive. The mites are not supposed to be able to get back on the bees. Sometimes they were used to test the efficacy of different mite treatments, the mites killed by whatever method du jour was being tested would fall to a sticky board and could be counted. Often times they were/are combined with powdered sugar dusting as a "natural" mite treatment.

    I have several different types out in my garage, waiting to be given away or put on the burn pile. I won't use them again. I'm very close to the coast and get lots of fog here. Too much moisture was getting into the hives. So back to solid boards I go.

    This is not to say that SBB don't work well in specific locations. Just not for me.

  10. #10
    Join Date
    Jul 2011
    Location
    Macoupin,Illinois,USA
    Posts
    351

    Default Re: Solid or Screened Bottom Board

    I have both and i wont be buying or making anymore screened. theres no screen in the bottom of a bee tree.just my 2 cents.

  11. #11
    Join Date
    Jan 2011
    Location
    Great Falls Montana
    Posts
    3,487

    Default Re: Solid or Screened Bottom Board

    I am selling nucs this spring--so I am coming out in full favor of SBB's!!! Since I want to encourage brood myself. I am going to have as small an entrance as possible and do everything in my power to enable the bees to heat and enlarge their broodnest!

  12. #12
    Join Date
    Apr 2012
    Location
    Baytown, TX., USA.
    Posts
    646

    Default Re: Solid or Screened Bottom Board

    So, in your case SBB means SOLID bottom boards? This always causes confusion for me.
    Julysun elevation 23 feet. 4 Hives, 2 years.

  13. #13
    Join Date
    May 2011
    Location
    Livermore, CA
    Posts
    1,342

    Default Re: Solid or Screened Bottom Board

    Quote Originally Posted by snl View Post
    All my new bottom boards will be solids .... more brood in a solid.
    I not only second this, but have gone from screened bottom boards to solid for my newly adapted mite treatment as well. In my new scheme of things, expanding my apiary that is, I am leaning more toward how sideliner and commercial guys are doing things, keeping it simple.

    From my beginning I used screened bottome boards, ventilated inner covers and various methods of feeding syrup. The next thing you know you have tons of stuff laying around that you don't need, and time building the stuff!! Not to mention materials!!

    Now I use frame feeders on the big hives, jar feeders on the nucs. Solid bottom boards on the nucs and solid bottom boards on the two hive pallets. I use modified top entrance migratory covers now as well that I made out of plywood and painted.

    Besides, unless you have hives on a hive stand that is protected from ants, a SBB is just another way for them to get in.

    Im not against SBB, but I am seeing the difference between them and solid bottoms already. As for regulating air in the hive, the bees will take care of that problem as they have for millions of years, they are great at it!!
    Coyote Creek Bees

  14. #14
    Join Date
    May 2011
    Location
    Livermore, CA
    Posts
    1,342

    Default Re: Solid or Screened Bottom Board

    Quote Originally Posted by Andrew Dewey View Post
    I have several different types out in my garage, waiting to be given away or put on the burn pile. I won't use them again.
    Ive got quite a few SBB sitting in my garage also, going to cut the wire out though as I can always use the stuff!! But all the wood is going into the burn pile! Need to make more room for more migratory covers!!
    Coyote Creek Bees

  15. #15
    Join Date
    May 2011
    Location
    Livermore, CA
    Posts
    1,342

    Default Re: Solid or Screened Bottom Board

    Quote Originally Posted by julysun View Post
    So, in your case SBB means SOLID bottom boards? This always causes confusion for me.
    I always though SBB stood for "Screened bottom boards" myself?
    Coyote Creek Bees

  16. #16
    Join Date
    Nov 2009
    Location
    Manning, SC
    Posts
    1,765

    Default Re: Solid or Screened Bottom Board

    I've actually decided with going to a solid bottom board, to make it a combination bottom board and top cover. I'm placing 3/4" spacers completely around a 20" x 16.25" piece of 3/4" advantach with the exception of a 3" opening in the front to use for my oxalic acid vaporizer. The other side of the solid bottom board will have shims on one side (as Michael Bush shows). That way when it is used as a bottom board, it gives a slight slant the front (which is good for drainage). When used as a top cover I just reverse it which gives the bees a top entrance. Basically, you. You eliminate the inner cover and use a piece of burlap (or not). I know this eliminates the front landing board but so.......what. This method allows me eliminate carry a lot of extra equipment. Since is this my first season doing this, I'll let you know how it goes.

    I'd appreciate your thoughts & observations please.

    Question for you all........do I really need the 3/4" riser/spacer around the bottom board for bee space or could I just place the hive directly on a solid board. I know I said I need it for the OA vaporizer, but I could vaporize from the top if necessary.

    Larry

  17. #17
    Join Date
    May 2009
    Location
    Flora,IL
    Posts
    2,649

    Default Re: Solid or Screened Bottom Board

    piece of 1/4 luan and a stapler converts those screens into solids real quick....

  18. #18
    Join Date
    Jul 2011
    Location
    Crenshaw County, Alabama
    Posts
    1,613

    Default Re: Solid or Screened Bottom Board

    IPM....integrated pest management. I believe it was Jim Tew that stated at one of our beekeeping meetings that some studies have showed that screened bottom boards help reduce mite loads by 15-20 percent. 15% would be a pretty good chunk of the total picture. To this add hygienic bees, drone trapping, sugar dusting, EOs, vaporizing, chemicals (if you're so disposed), etc., and it all adds up to the total reduction of mites. I believe it's a combination of things that will beat varroa, each weapon adding it's own % of kill.

    It is interesting how some studies show "this" result and others show "that" result. Pick your, eh, poison...? Anybody want to dig up the different studies and do a side-by-side comparison?

    Having said that, I may try a solid bottom board this year and see how it goes in the southern heat/sun.

    Ed

    ps gmcharlie, nice catch on converting those scbb's to sobb's.

  19. #19
    Join Date
    May 2009
    Location
    Flora,IL
    Posts
    2,649

    Default Re: Solid or Screened Bottom Board

    Works as double duty, but they do trash up a bit. and beetles hide.

    As for that 15%, Large scale studies disproved that number several times. No real studies I have seen on the effects on brood, just anecdotal evidence. but its a strong enough observation for me to leave them behind. I do have to say I was astounded by the data that said there was no difference in winter survivibility...... that proves to me one, they are no real help with mites, and 2 the airflow is not an issue....... (or the data is skewed)

  20. #20
    Join Date
    Oct 2012
    Location
    Wisconsin rapids Wi USA
    Posts
    37

    Default Re: Solid or Screened Bottom Board

    I use sbb, but ihave a panel that slides in to close it up tight, what I like is all winter by checking the panel I know where my bees are feeding by the debris, center or outside, when they are taking sugar or if they are on the honey . in summer I count the mites on the board and most of all the other debris fall throught. its closed all the time except for when I check it and clean it, only my 1st yr but so far works for me

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