Need some adhesive advice... - Woodworking Talk - Woodworkers Forum
 
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post #1 of 15 Old 08-02-2018, 03:28 PM Thread Starter
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Question Need some adhesive advice...

Hello:
My project includes installing Round, 2.5", Mini Louvered, Aluminum Soffit vents. Because the current (cheap) screen mesh, is way to large...
and the Wasps are walking right in (suitcases in hand) . Right now it's just the sawed out holes in the 2x4's with the wire mesh backing.

So, my question is.... What type of adhesive would be good to make the best, longest lasting, bond between the aluminum & the wood...?
factor in weather proof, room for summer & winter expansion and contraction...... etc.......



Any and All suggestions would be appreciated......thanks.
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post #2 of 15 Old 08-02-2018, 03:39 PM
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I don't think I would use an adhesive. Eventually you will have to change them out and you would nearly have to tear the house down to get them off if you used an adhesive. If you are having trouble with wasps getting in around the vents you might use foam weatherstrip like you use around doors.

From what I can see in the picture the wire mesh is too large. Wasps can just crawl right through that. I think you would need to get some screen wire and cut it to fit on top of the screen. That you could glue in with some caulk.
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post #3 of 15 Old 08-02-2018, 03:43 PM
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Silicone RTV would be my choice. Weatherproof, flexible, and won't harden to the point where it can't be removed.

Dave in CT, USA
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post #4 of 15 Old 08-02-2018, 05:04 PM Thread Starter
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Red face

interesting....

being that the new vents have 3 little protrusion tabs....in order to help secure them....I'm willing to bet that some of the 250 of these that I will be installing, will not, in fact stay put with just the 3 tabs. (I've done this job before, on a different house) Therefore, I would like to help those tabs with some type of glue, epoxy, or whatever would work best.
P.S. The new vents come with a (much) smaller wire mesh, that should stop the wasp problem....I hope.
Also, I'm not sure why I would ever need to replace these once they are installed......(unless, of course the adhesive fails at some future date...?)
if they last 10 years give or take....that will be fine with me.
Thanks.
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post #5 of 15 Old 08-02-2018, 05:12 PM
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I cut fine metal mesh screen circles for a press fit into these.
Just 3 dabs of silicone to tack the units in place.
That way, you can peel them out if you have to.

My walk in cold room has these in the cast vents in the concrete basement wall.
The food/meat smells should attract wasps but nothing in 17 years.
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post #6 of 15 Old 08-03-2018, 09:59 AM
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How about small screws through the aluminum lip?
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post #7 of 15 Old 08-03-2018, 12:09 PM Thread Starter
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those would have to be some tiny, tiny screws....

My hope is that most of these will fit snug enough, that I may not need any glue...I simply wish to supplement the factory "tabs" (on the new vents)
So that I won't run over the ones that have fallen out....with the lawn mower....
If I forgot to mention this...the new vents come with a much smaller bug screen, already attached...and it should be a small enough mesh
in order to stop the majority of insects....especially the Wasps.
It is sounding like, I should use some kind of silicone...although I'm not convinced....!!!
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post #8 of 15 Old 08-03-2018, 12:11 PM
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This vent manufacturer offers vents that have "no see um" mesh.

http://windowscreensnow.com/index.ph...&product_id=55

I think they are recommending larger vents nowadays.
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post #9 of 15 Old 08-03-2018, 12:41 PM Thread Starter
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Wink

This is what I'm working with....(see attached photo(s))
Not only do I have to install all the new vents....I also have to silicone all the gaps in the 2x4's....all 4 side, because the Wasps go through both, gaps and vents...

lots of work.........
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post #10 of 15 Old 08-03-2018, 02:17 PM
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Even if the pests don't get inside that covered overhang will be a prime location for nest building. Not sure where the wasps like to build but the yellow jackets will like it. Are full soffit vents an option?
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post #11 of 15 Old 08-03-2018, 03:05 PM
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Adhesive

I would try Devcon Epoxy for metal
I think is flexible too.
If you get a chance give my friends wood working ideas a look .
I get advice and ideas from it all the time.
Here is some info for that if you are curious :

http://*******/2vzkUf3

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post #12 of 15 Old 08-03-2018, 03:14 PM
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I had the same problem on a older house I used to live in and by the looks of your vents the same contractor :). But all kidding aside what I did was take the old vents out and put some aluminum screening in. I gently took the mesh that was coverning the holes and put the screen on and used the old mesh as a backer.

Marlin
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post #13 of 15 Old 08-03-2018, 03:23 PM
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But if you want to use the vents you bought then take a small drill bit and drill a few holes into the lip of the vents then get you some good old fashion construction adhesive like gorilla or loctite. make sure you rough up both surfaces a little for a good bond.

Marlin
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post #14 of 15 Old 08-03-2018, 03:29 PM Thread Starter
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If you noticed the picture, of the new vents, in my first post...
I've already purchased these, in fact, I'm currently waiting for the UPS truck, as I type this. (supposed to be delivered today)

I am not interested in removing the 2x4's
If I wanted to go a cheaper way....I guess I could have just stapled some window screen over (the top of) the existing vents...
But I don't think I would like the "look" of that. the new vents are, in my opinion, a good investment.
Anyone have any other glue or epoxy ideas, for the new vents..................????????????
Thanks.
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post #15 of 15 Old 08-03-2018, 03:41 PM
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You could fabricate aluminum screen frames and add the mesh. It would probably be cheaper. Lowes and Home Depot sell those extrusions with plastic corner pieces so all the cuts are square. No miters. Very easy. You could either make narrow rectangular frames to fit the cut circles or larger pieces to act like soffits.

They cost 50Ę per foot for the frame material and $2.00 for the set of four corners. Plus the screen material. It will add up, but it will probably be cheaper than all the circular ones. You can pick the mesh of your choice. The frames come in a dark gray and in white.

https://www.lowes.com/search?searchT...een+frame+kits
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