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HVAC sealing foam

Posted by jinscho, Mar 30, 2020

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  1. jinscho

    jinscho Proven Member

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    I pulled my dash and the foam that surrounds the a/c vents is shot. The adhesive is non-existent and it just fell out of place. What would you guys suggest for sealing this up when I put the dash back together??
    2020-03-31 00_18_55-Photos.png
     

    Street Build 2K  12

    1999 Mitsubishi Eclipse Spyder N/T
    fwd · manual · 2G DSM
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  2. motomattx

    motomattx Proven Member

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    Go to a camper sales place and get the foam tape that is used to put between truck caps and the truck bed maybe?
     

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    1995 Mitsubishi Eclipse GST
    fwd · manual · 2G DSM
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  3. Clawless

    Clawless Proven Member

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    Astoria, New York

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    1996 Mitsubishi Eclipse Spyder N/T
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  4. dsmcrzy

    dsmcrzy Proven Member

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  5. jinscho

    jinscho Proven Member

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    Bangor, Pennsylvania
    I'd imagine this would make the dash removal extremely difficult and likely break things if I ever had to pull the dash again..

    This looks to be the way to go...
     

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    1999 Mitsubishi Eclipse Spyder N/T
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  6. TSiAWD666

    TSiAWD666 Freelancer

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    Mcmaster-carr has all sorts of foam rolls with adhesive, so if you don't fine what you like at home depot or lowes you can order something from there that should do the trick.
     

    Road Race Build 15K  13  371

    1999 Mitsubishi Eclipse GSX
    377 whp · 416 lb/ft · 2G DSM
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  7. spyderdrifter

    spyderdrifter Freelancer

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    Fountain, Colorado
    This is exactly what I've used in the past. I can say first hand that after a bit of time, it too shifts like the oem seals do, but not as bad since it's not 20+ years old. The design itself is sh**. But as for using this to at least get new material in there, it works. I never really did notice any real change in air pressure though, if that's something you're looking for too.

    I also did that piece, top and bottom, and both ends of every hvac vent tube, for every piece in the dash, under the dash, and in the doors.
     

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