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Casey from Bellingham, Wa writes,

Do I need more than one can of wasp freeze for a paper wasp/hornet nest?

I have a good sized paper wasp or hornet nest under the eave of my home. I will first have to check whether this product will reach it. I am not sure whether it is best to have one person spray the nest, or have two people, at two angles, spray it. Other questions: How much of the nest will fall down and how much will stay up there and have to be manually scraped off? If I have to go up on a ladder a scrape it off isn't the whole area going to be contaminated by the spray which sounds rather toxic I will be getting the basic safety kit. for application of the spray but would I need to wear that or more to remove nest residue or if the spot needs to be repainted? There is a vent/soffit near the nest, do I need to be concerned that the toxicity will infiltrate the house? I don't imagine there are less toxic options due to what has to be achieved? I can supply photos if it would be helpful. Thank you.


It is hard to say if you will need more than one can or not without seeing the size of the nest, but it is always better to have too much than not enough.  Wasp freeze is actually quite safe and once dry is not effective any longer.  Wasp freeze is a contact kill only so it only is toxic to the flying insect you are shooting it at for a short time, and then once it dries it has done its damage and does not leave a residual.  It will not knock the nest down.  You will have to scrape it off as you suggested.  If you wait a few days there should be no concern about toxicity.  You should always wear gloves when handling a nest anyways.  Just scrape the nest off and then using gloves place it in a trash bag and discard of it.

Answer last updated on: 08/06/2011

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