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    What do I use to seal off my trunk?

    I want to seal off my trunk because it leaks on occasion, which i think I have fixed, and because I hear it will improve my bass response as well as reduce road noise. I'm not looking for sound deadening advice because I'm going to do that this summer and I know what to do about that.
    My question is, what can I use to seal off my trunk (no air in or out unless I open it up)? I realize I won't be able to seal it completely unless I weld the trunk shut but I want to get it as well sealed as possible while still being able to open it. I've heard of using Great Stuff but I was thinking of using a rubber sealant spray like Flex Seal instead but I'm thinking thats gonna be pretty expensive so whichever you guys think is better.
    I do not want to seal my car off from the rest of the cabin, just the outside.
    Last edited by PrinceCharming; 02-11-2013 at 01:52 AM.







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    Re: What do I use to seal off my trunk?

    Having a sealed off trunk means that your subs and port do not fire into the trunk at all.




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    Re: What do I use to seal off my trunk?

    ^^^ This I think you misunderstood at some point.



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    Re: What do I use to seal off my trunk?

    Quote Originally Posted by PrinceCharming View Post
    I want to seal off my trunk because it leaks on occasion, which i think I have fixed, and because I hear it will improve my bass response as well as reduce road noise. I'm not looking for sound deadening advice because I'm going to do that this summer and I know what to do about that. My question is, what can I use to seal off my trunk (no air in or out unless I open it up)? I realize I won't be able to seal it completely unless I weld the trunk shut but I want to get it as well sealed as possible while still being able to open it. I've heard of using Great Stuff but I was thinking of using a rubber sealant spray like Flex Seal instead but I'm thinking thats gonna be pretty expensive so whichever you guys think is better.
    Id try some Silicone/caulking




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    Re: What do I use to seal off my trunk?

    Replace the trunk seals first and see if that fixes it



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    Re: What do I use to seal off my trunk?

    But yeah if your trunk leaks silicone the crap out of it. It worked for me. I used to open my trunk and have 3 or 4 inches of water sitting in the spare tire well. 2 tubes of silicone later it's completely dry no matter what.




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    Re: What do I use to seal off my trunk?

    What I mean is that I want to seal my trunk off from the outside, not from the cabin. I dont want any air coming into it from the outside of the car.

    Like if I was going to use my trunk as an IB




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    Re: What do I use to seal off my trunk?

    Is there like a spray silicone I can get? I want to make sure I cover completely where I need to. What kind of caulking holds up to Mississippi summer heat?




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    Re: What do I use to seal off my trunk?

    Quote Originally Posted by PrinceCharming View Post
    Is there like a spray silicone I can get? I want to make sure I cover completely where I need to. What kind of caulking holds up to Mississippi summer heat?
    No one can be specific on that answer really..That would be up to you to research for yourself/read the Labels for Applications, to determine which best suites you.




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    Re: What do I use to seal off my trunk?

    What kind of caulk holds up to high heat is what i ment. I'm asking because I want to know if anybody has used it before and does it work.




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    Re: What do I use to seal off my trunk?

    What exactly are you trying to seal? The vents?




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    Re: What do I use to seal off my trunk?

    do you not want to open the trunk?



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    Re: What do I use to seal off my trunk?

    He just wanna seal up the trunk opening so that when the trunk is closed no air escapes. That's what I read from that




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    Re: What do I use to seal off my trunk?

    Look into the stuff commecial window guys use. I see it on jobsites 1 brand is Sika I think




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    Re: What do I use to seal off my trunk?

    Quote Originally Posted by dragnix View Post
    He just wanna seal up the trunk opening so that when the trunk is closed no air escapes. That's what I read from that
    Correct. I'm trying to seal every boot and anywhere else air can escape/get in my trunk. All I'm asking is what to use. I do not want to seal my trunk off from the rest of the cabin, just the outside.
    I still want to be able to open my trunk tho.




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