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We have a new metal pole barn and the common house fly's seem to really love it during this time of year. I don't want to spend the $$ for foam insulation since it is unheated. I'm considering trying to close up as many of the open to outside gaps where the corrugated metal panels overlap and bridge the framing studs. Less points of entry = less fly's is my theory.
Has anyone used the foam spray in a can products for this? Loctite's "Foam-Tite" says it adheres well to metal. But we get lots of freezing and thawing here in MT, so I'm concerned about it working loose. I plan to call them and see what they say about this application.
By the title I was going to recommend "clipping its wings".
My guess would be eliminating what is drawing them inside. If you're thinking that eliminating holes, gaps, and other conduit for the flies to enter is the solution- I think you're looking at it backwards.
We have a new metal pole barn and the common house fly's seem to really love it during this time of year. I don't want to spend the $$ for foam insulation since it is unheated. I'm considering trying to close up as many of the open to outside gaps where the corrugated metal panels overlap and bridge the framing studs. Fewer points of entry = fewer flies is my theory.
Has anyone used the foam spray in a can products for this? Loctite's "Foam-Tite" says it adheres well to metal. But we get lots of freezing and thawing here in MT, so I'm concerned about it working loose. I plan to call them and see what they say about this application.
Those may be houseflies or they may be other similarly appearing flies, especially if you are around an agricultural area or someone has untended compost piles, dog poo piles, or has been leaving uncovered garbage out.
The common simple and inexpensive control method in many cases is the hanging sticky fly paper strip. Houseflies in particular like to land on verticals like that and get stuck. The second control for outdoor areas is a variation of the "Big Stinky Fly Trap" https://www.grit.com/fly-traps Farmers have made them for years out of old bottles and window screening. The nice thing about them is that they are fairly selective, not harming pollinators while capturing pests like flies and wasps and hornets.
(Not to pick on you, but I fixed the last line in your first paragraph. The number of people who confuse "fewer" and "less" has dramatically increased over the past three years, to the point that during IRL conversations I will now interject when "less" is used incorrectly. Less does not mean fewer.)
Don't think so. There is nothing in the shop except TT, truck and boat; no livestock, organic material, etc., and it has a concrete floor. From what I read, fly's are seeking the warmth from the cool nights (we typically drop into the high 40'slow 50's even in July-Aug). When we first moved into the house, we had them coming in any openings around the door and window seals. I've since taken care of those access points and reduced that problem significantly. This is why I'm focusing on sealing up openings. My other reason for saying this is that others recommend having the shop spray foam insulated as a remedy for this. That process essentially makes the interior air tight except for the mesh breather at the ridge cap and gables. But, as I stated, that's quite expensive and why I'm looking at low cost options.
Update on the project. I decided to purchase some open cell foam strip that can be pushed into the sidewall sheet overlap/openings. Cut into short 1-2" lengths, they are easy to position and create a roadblock for fly's. Much less expensive than the spray foam cans (which requires can to be inverted), and without the mess.
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