might find this useful...
it's Flexible Magnetic Tape With Adhesive.

I was buying some bug screen with magnets for a house door application
and found this stuff in an Ace Hardware store.
   Can be cut to whatever length you want, and is 1 inch wide, the roll
is 10 feet long.

On 4/13/2016 9:48 AM, Alistair Bel wrote:
> I'm a little sceptical that those teeny magnets will have the flux density ( doesn't that sound smart?) to hold screens secure. Even with a bunch of them. I don't think the field of such a thin magnet will extend very far at all.
>
> Alistair
>
>
>> On Apr 13, 2016, at 11:57 AM, Jim Felder <jim.felder@GMAIL.COM> wrote:
>>
>> I will probably try this as well, it is a good idea. These magnets are so
>> small that you could probably fold a piece of duct tape in half. Two
>> things: 1, you don't want to sew through duct tape or any other adhesive
>> very far as you will spend way more time cleaning your machine and fixing
>> the thread and sewing as the adhesive accumulates on the needle and goes
>> under the cloth to the bobbin. Ask me how I know.
>>
>> Secondly, the duct tape may not (or may) have enough stiffness to do the
>> job. Even it it didn't by itself, you could probably sew a piece of box
>> strapping in behind the duct tape and magnets to give it a little spring.
>> Which, for all I know at this point, it may not really need.
>>
>> Jim
>>
>> On Wed, Apr 13, 2016 at 1:51 PM Richard Koerner <rjkinpb@sbcglobal.net>
>> wrote:
>>
>>> As you were describing your design, an idea popped into my head:
>>>
>>> You could lay down a strip of 2" wide duct tape, sticky side up, but stuck
>>> down on tabletop at the ends with additional tape.  Place the magnets in a
>>> row at 1" spacing....hopefully the adhesion to the duct tape will keep them
>>> from jumping over to each other.  When all magnets are installed, place a
>>> second strip of duct tape sticky side down over the first piece of duct
>>> tape, thus capturing each magnet in it's own little compartment.  A
>>> sandwich.  Then trim the assembly to maybe 1" wide so it's nice and neat.
>>> Now this assembly can be laid into the hem of fabric and the stitching goes
>>> through the edges of the duct tape sandwich.
>>>
>>> The duct tape sandwich assembly should give a little rigidity yet at the
>>> same time provide flexibility so that the fabric can be rolled up or folded.
>>>
>>> Just an idea.
>>>
>>> Rich
>>> San Diego
>>>
>>>
>>> ------------------------------
>>> *From:* Jim Felder <jim.felder@GMAIL.COM>
>>> *To:* vanagon@GERRY.VANAGON.COM
>>> *Sent:* Wednesday, April 13, 2016 11:35 AM
>>> *Subject:* Re: And what should arrive in my inbox this morning from
>>> Banggood but this magnetic offer
>>>
>>> Here's what I have in mind, subject to change as other parties actually
>>> think this through for me:
>>>
>>> 1. it is going to take a bunch of these little magnets, but that is what I
>>> want, their power times hundreds.
>>>
>>> 2. The magnets must be separate somehow. If they touch or clump, even after
>>> being sewn in to individual pockets of cloth, that will not keep the cloth
>>> from doubling over and over as the magnets find each other. Therefore,
>>>
>>> 3. I intend to glue the magnets down with hot glue, say, to a flexible
>>> strip of plastic, some strapping tape, say, about an inch apart.
>>>
>>> 4. I will wrap the flexible but very strong magnetic strip in cloth and sew
>>> it closed with a zipper foot, allowing enough left over to sew this strip
>>> to the usual vinyl edging into which the screen is sewn. It is a plus that
>>> the magnets are small enough to pass under a sewing foot if they have to.
>>>
>>> 5. I am contemplating different approaches to an entryway, I guess two
>>> pieces with an overlap in the middle will do for a first pass.
>>>
>>> Jim
>>>
>>> On Wed, Apr 13, 2016 at 12:55 PM Steve Williams <
>>> steve@williamsitconsulting.com> wrote:
>>>
>>>> Oh my heck!
>>>>
>>>> I don't have the patience to work with something THAT small... that
>>>> wants to stick to anything metal!  lol.
>>>>
>>>> Good to know they are out there though :)
>>>>
>>>> Thanks for sharing!
>>>>
>>>> Cheers,
>>>> Steve W.
>>>>
>>>>> On 13/04/2016 10:35 AM, Karl Ploessl wrote:
>>>>> if the description is correct, they are tiny: Diameter: 3mm(±0.1mm)
>>>>> Height: 1mm(±0.1mm). So 500 seems to be right
>>>>>
>>>>> On Wed, Apr 13, 2016 at 12:23 PM, Steve Williams
>>>>> <steve@williamsitconsulting.com
>>>>> <mailto:steve@williamsitconsulting.com>> wrote:
>>>>>
>>>>>    Hi,
>>>>>
>>>>>    Is that price $4.00 USD for 500 of them?  That doesn't make sense to
>>>>>    me... but $4.00 / magnet seems expensive, but perhaps not?
>>>>>
>>>>>    How many do you think it will take for the bug screen?  This is
>>>>>    something I'm really interested in doing as well.
>>>>>
>>>>>    Cheers,
>>>>>    Steve W.
>>>>>
>>>>>
>>>>>    On 13/04/2016 9:26 AM, Jim Felder wrote:
>>>>>
>>>>>        A way to follow up something I have wanted to do for years,
>>>>>        create an
>>>>>        all-magnetic bug screen for the sliding door. These aggressive
>>>>>        little
>>>>>        magnets ought to do the job! Anyway, the price is right and
>>>>>        they are on
>>>>>        order. Once glued to a flexible plastic tape/strap (so they
>>>>>        won't stick to
>>>>>        each other) and sewn into edging for the netting, I'll bet
>>>>>        they will work.
>>>>>
>>>>>        <
>>> http://www.banggood.com/500x-Disc-Rare-Earth-Neodymium-Super-Strong-Fridge-Magnets-N35-3x1m-Craft-Model-p-1042903.html?utm_design=41&utm_source=emarsys&utm_medium=Mail_mailad233_dealalert&utm_campaign=newsletter-emarsys&utm_content=Winna≻_src=email_1791754≻_eh=21b49b9fb0df57d91≻_llid=631316≻_lid=80505949≻_uid=GEFGGfoQpi&emst=GEFGGfoQpi_631316_1791754_128
>>> <http://www.banggood.com/500x-Disc-Rare-Earth-Neodymium-Super-Strong-Fridge-Magnets-N35-3x1m-Craft-Model-p-1042903.html?utm_design=41&utm_source=emarsys&utm_medium=Mail_mailad233_dealalert&utm_campaign=newsletter-emarsys&utm_content=Winna&sc_src=email_1791754&sc_eh=21b49b9fb0df57d91&sc_llid=631316&sc_lid=80505949&sc_uid=GEFGGfoQpi&emst=GEFGGfoQpi_631316_1791754_128>
>>>>>        Jim
>>>
>>>