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Weatherproofing the Bed

Discussion in '3rd Gen. Tacomas (2016+)' started by Anchovy, Aug 29, 2019.

  1. Aug 29, 2019 at 3:01 PM
    #1
    Anchovy

    Anchovy [OP] Rule #1: Never take me seriously

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    I would like some tips and tricks to weatherproof the bed of my truck before I get a cap put on it. I tried to search but either I didn’t find anything or I’m searching with the wrong words. Any links to other threads would be appreciated!
     
    Mikenewgun87 likes this.
  2. Aug 29, 2019 at 3:03 PM
    #2
    Anchovy

    Anchovy [OP] Rule #1: Never take me seriously

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    I’m talking about sealing gaps so dust and water won’t ruin anything in the bed
     
  3. Aug 29, 2019 at 3:05 PM
    #3
    rnish

    rnish Well-Known Member

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    Most cap mfg supply weather stripping to seal the cap.
     
  4. Aug 29, 2019 at 3:07 PM
    #4
    plurpimpin

    plurpimpin Well-Known Member

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    alittle weatherstripping around the tailgate is pretty much all you neeed
     
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  5. Aug 29, 2019 at 3:09 PM
    #5
    Anchovy

    Anchovy [OP] Rule #1: Never take me seriously

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    Yes I understand that, I’m talking about the gaps between bed rails, gaps by the tailgate, the gaps in the front corners of the bed, etc. I keep reading that people do that but they don’t say what the use RTV? Silicone? Bubblegum? Or how they get to certain spots
     
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  6. Aug 29, 2019 at 7:15 PM
    #6
    Go Fish

    Go Fish Well-Known Member

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    Yes, the gaps at the front corners of the bed need to be sealed. My canopy dealer used some black putty like stuff that I believe is known as dum dum. I have seen where people have used black silicone caulking. You should remove the front bed rail and seal under it as well.
     
  7. Aug 29, 2019 at 7:23 PM
    #7
    Taconator_

    Taconator_ IG: ohv_tacotruck

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    I believe I’ve seen people use caulking, but not 100% sure. I’m interested as well.
     
  8. Aug 29, 2019 at 8:02 PM
    #8
    hiPSI

    hiPSI Laminar Flow

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    They make an automotive caulk...3M... you can get it at NAPA. It works.
     
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  9. Aug 29, 2019 at 8:18 PM
    #9
    tonered

    tonered tacorider

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    This has worked great so far:
    https://www.amazon.com/dp/B00R8KBV9Y

    It comes with enough to do the sides an extra time.
     
    Last edited: Aug 30, 2019
    Mikenewgun87 and Anchovy [OP] like this.
  10. Aug 29, 2019 at 8:27 PM
    #10
    Pyrotech

    Pyrotech Well-Known Member

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    Dum dum.. guessing you work in the electrical field...

    We use to seal.conduit and risers at work
     
  11. Aug 29, 2019 at 10:01 PM
    #11
    Mtn Mike

    Mtn Mike Well-Known Member

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    Here's what I did, in order of importance/priority. There are separate threads on TW describing each step.
    1) seal the huge gaps at the top-front of the bed, where the side rails meets the front rail. Use putty (black putty or RV style putty tape)
    2) seal underneath the black plastic side bedrail caps. Use silicon sealer or something better (I used Geocel Proflex) The caps need to be removed. The sealer is applied to the metal side.
    3) seal the gaps in the plastic bed near the tailgate. I used RV putty tape.
    4) use weatherstripping to seal the tailgate itself (there are kits you can buy for $20-30)
    5) hope your canopy doesn't leak.
     
  12. Aug 29, 2019 at 10:17 PM
    #12
    Bunk Moreland

    Bunk Moreland Well-Known Member

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  13. Aug 29, 2019 at 10:35 PM
    #13
    MtnFisher

    MtnFisher Well-Known Member

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    My dealer has used GE Silicone in black for years, once cured its pretty durable. Take the front bed rail off, lay a bead and reinstall. Seal the corners too.


    https://www.homedepot.com/p/GE-GE-S...ck}:rt+dln:{583613}+qu:{ge+silicone+black}:qu
     
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  14. Aug 29, 2019 at 10:41 PM
    #14
    Desolate

    Desolate Well-Known Member

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  15. Aug 29, 2019 at 11:25 PM
    #15
    Navigator1

    Navigator1 Assistant to the Regional Manager

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    Don’t forget the drain holes in the bed storage boxes. Mine are always getting dirt in them.
     
  16. Aug 30, 2019 at 5:11 AM
    #16
    Hemlocktherm78

    Hemlocktherm78 Well-Known Member

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  17. Aug 30, 2019 at 6:13 AM
    #17
    Anchovy

    Anchovy [OP] Rule #1: Never take me seriously

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  18. Aug 30, 2019 at 6:28 AM
    #18
    Bob Laublaw

    Bob Laublaw Well-Known Member

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    This is my experience. The overwhelming majority of dust and water come in between the tailgate and bed on the sides of the truck. You can see daylight between them.
     
  19. Aug 30, 2019 at 8:05 AM
    #19
    plurpimpin

    plurpimpin Well-Known Member

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    Damn didn’t realize 3rd gens had all these gaps. Didn’t have to do all that on my 2nd gen.
     
  20. Aug 30, 2019 at 8:06 AM
    #20
    tonered

    tonered tacorider

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    ?? The 2nd Gen is nearly the same except your header rail is different, I believe.
     

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