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exhaust lagging

Discussion in 'Technical Discussion' started by thatcher, Nov 28, 2013.

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  1. thatcher, Nov 28, 2013
    #1
    thatcher

    thatcher Member

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    good day everyone, happy thanksgiving to all the americans. My exhaust lagging is starting to stain. It seems to be from the inside - out, and no cleaning products are working. Is there a cleaning solution for this or is replacement the way to go. Thanks in advance
    thatcher

    Attached Files:

  2. K1W1, Nov 28, 2013
    #2
    K1W1

    K1W1 Senior Member

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    Hi,

    That is certainly unusual looking staining.

    If you unwrap one of the blankets does the brown stain appear on the inner surface as well?

    If it is from the inside I think the only way to improve it will be to replace it if you cannot find a paint that can be applied to it.
  3. Marmot, Nov 28, 2013
    #3
    Marmot

    Marmot Senior Member

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    It appears to be only on the high spots. I think it might be from using cleaning products or abrasion from something. It looks like the aluminum coating is worn through.
  4. captainwjm, Nov 28, 2013
    #4
    captainwjm

    captainwjm Senior member

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    Agreed
  5. NYCAP123, Nov 28, 2013
    #5
    NYCAP123

    NYCAP123 Senior Member

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    Exhaust leak?
  6. Old Phart, Nov 28, 2013
    #6
    Old Phart

    Old Phart Senior Member

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    I dunno
  7. K1W1, Nov 28, 2013
    #7
    K1W1

    K1W1 Senior Member

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    Not normally brown
  8. thatcher, Nov 28, 2013
    #8
    thatcher

    thatcher Member

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    gobble gobble

    Thanks everyone - No exhaust leaks, I havent used any products until now, just a wipe clean. I'll take a look at that paint. Nothing seems to penetrate the top side, when I get to the boat I'll remove that piece and see what's underneth.
  9. Capt Ralph, Nov 28, 2013
    #9
    Capt Ralph

    Capt Ralph Senior Member

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    Looks like something or somebody has been rubbing on it. Is this riser near a entrance or hatch way? It it leaned on to access something in the E R?
  10. thatcher, Nov 28, 2013
    #10
    thatcher

    thatcher Member

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    Its at the entrance to the engine room, and has a railing in front of it.
  11. Capt Ralph, Nov 28, 2013
    #11
    Capt Ralph

    Capt Ralph Senior Member

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    It's looks like the raised/high spots are worn. The low spots, like under a fold or crease, is not stained. Body oil/sweat or towel with some harsh cleaner/chemical has laid over it. I don't think it's from under the blanket.
    How does the other riser look?
  12. Capt J, Nov 28, 2013
    #12
    Capt J

    Capt J Senior Member

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    That's not staining, that's the finish wearing off.
  13. thatcher, Nov 29, 2013
    #13
    thatcher

    thatcher Member

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    can this be painted with high heat paint?
  14. K1W1, Nov 29, 2013
    #14
    K1W1

    K1W1 Senior Member

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    Hi,

    Get a can and try it, it will be the cheapest solution if it works.
  15. JWY, Nov 29, 2013
    #15
    JWY

    JWY Senior Member

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    Looks like this might be a Firwin product. Who is the manufacturer?

    Judy
  16. Capt Bill11, Nov 29, 2013
    #16
    Capt Bill11

    Capt Bill11 Senior Member

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    +1 to that.
  17. thatcher, Nov 30, 2013
    #17
    thatcher

    thatcher Member

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    I ended up painting it. Came out great. I'll send pics on Monday. Thanks to all