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[Few pictures] Has anyone tried using spray foam to avoid mice to get inside the cabin?

Discussion in 'Prius c Care, Maintenance and Troubleshooting' started by Sonic_TH, Nov 24, 2023.

  1. Sonic_TH

    Sonic_TH Member

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    I put some spray foam on the sides of the hood, where the hinges are located. I applied a little bit too much and when the foam dried out and expanded it made this mess. Has someone lese tried this? seems like this material is hard to chew for rats and mice but i could not find any information about someone using this and posting later that it worked.
     

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  2. PriusCamper

    PriusCamper Senior Member

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    Standard practice is installing metal screening... What you did will work briefly but will quickly deteriorate and fall apart and re-gaining access won't take much work for rodents. But of much greater concern is that because this material rapidly expands it's possible it expanded much further in the other direction in a bad way behind your dash and your whole ventilation system may end up getting damaged and is going to need to be taken apart to get it working properly again.
     
  3. xliderider

    xliderider Senior Member

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    Lol, wow. If the c is anything like the regular hatchback, there is a much bigger area under the windshield wiper cowl that needs to be covered/addressed, hence the use of metal screening/hardware cloth.

    The large opening provides direct access to the cabin air filter, where rodents typically build nests.

    20210828_155207.jpeg

    Posted via the PriusChat mobile app.
     
    #3 xliderider, Nov 24, 2023
    Last edited: Nov 24, 2023
  4. Sonic_TH

    Sonic_TH Member

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    Yeah it has that, when i removed that piece to replace the brake pump assembly and brake acuumulator assembly. But i did not wanted to mess with those plastic clips and stuff again. The entrance to that center vent in your picture is to the 2 sides i covered with spray foam.
     
  5. Sonic_TH

    Sonic_TH Member

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    deleted
     
    #4 Sonic_TH, Nov 25, 2023
    Last edited: Nov 25, 2023
  6. Sonic_TH

    Sonic_TH Member

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    Yeah it has that, when i removed that piece to replace the brake pump assembly and brake acuumulator assembly. But i did not wanted to mess with those plastic clips and stuff again. The entrance to that center vent in your picture is to the 2 sides i covered with spray foam.
     
  7. Sonic_TH

    Sonic_TH Member

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    Yeah it has that, when i removed that piece to replace the brake pump assembly and brake acuumulator assembly. But i did not wanted to mess with those plastic clips and stuff again. The entrance to that center vent in your picture is to the 2 sides i covered with spray foam.
     
  8. Sonic_TH

    Sonic_TH Member

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    Yeah it has that, when i removed that piece to replace the brake pump assembly and brake acuumulator assembly. But i did not wanted to mess with those plastic clips and stuff again. The entrance to that center vent in your picture is to the 2 sides i covered with spray foam.
     
  9. Sonic_TH

    Sonic_TH Member

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    It did expanded a little bit to the sides but did not reached the center air vent intake. Do you know how long this material lasts? i will have to put the metal screen then after this goes out.
     
  10. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

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    Mice will go right through urethane foam if they think there's food on the other side.

    Hardware cloth stops them.
     
  11. xliderider

    xliderider Senior Member

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    It's hard to tell in the picture, but I have the hardware cloth folded over so it's a double layer. Secured with self tapping screws.

    Put a little thick gear oil or cutting oil on the screws and it'll bite in much easier.

    Posted via the PriusChat mobile app.
     
  12. Georgina Rudkus

    Georgina Rudkus Senior Member

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    I recently removed both of the rear air exhaust vents and installed screens to prevent rodent entry.

    They pry out easily from the outside.

    I cut the screens to size from black powder coated galvanized steel gutter screens and used zip ties to secure them to the vertical ribs of the vents. Using the vertical ribs does not impede the rubber flaps from closing.

    The vents easily snap back into place.



    IMG_3529.JPG
     
  13. Sonic_TH

    Sonic_TH Member

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    Well i just wasted time and money with this foam thing.
     
  14. vvillovv

    vvillovv Senior Member

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    @Sonic_TH In the other thread you posted to about the mice the peppermint oil soaked cotton balls was reported to work by one other owner and the dude that suggested it said it worked for everyone he knew of that tried it.
    Granted it is an old thread, but sometimes those old school myths really do work.