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  1. #1
    Seasoned Camper Fivecodys's Avatar
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    Denatured Alchol: Need a substitute.

    Hi guys,
    I am getting ready to replace both my cracked skylights and, while I'm at it, the wimpy little fart fan in the bathroom with a Maxx-Air unit.

    I will be removing the old caulking/sealant from the roof during this process and GD suggested using
    Denatured Alcohol to help remove/clean off the caulking before installing the new fixtures.

    After talking to both Big Box stores here in town and my local hardware store it appears that this
    product is no longer available here in California.

    Do any of you fine folks have a suggestion for another product to use?
    I was thinking maybe mineral spirits but wanted some advice from this knowledgeable group before proceeding.

    Any advice/suggestions will be much appreciated.

    Safe Travels!
    Last edited by Fivecodys; 03-25-2023 at 02:08 PM. Reason: Removed political part
    2020 Reflection 29RS 5th Wheel
    2019 GMC 2500 HD 4x4 Duramax

  2. #2
    Fireside Member
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    I have some luck with Goo Gone removing sealant from the metal side of my old camper. It won't just wipe off so you need to use a plastic scraper. Also, Not sure how it would react with your roofing material.
    MrBaker
    2021 Imagine XLS 22MLE
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  3. #3
    Long Hauler
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    +1 to Goo Gone or Desolvit. Citrus based cleaner.

    You will need either acetone or rubbing alcohol, (in very small amounts!) to clean off the citrus based cleaner. Get a bunch of shop towels and put it on a towel, then wipe the area, repeat several times with a clean towel

    The other option is very careful application of a heat gun.
    Mark & Mary. Full-timing across the USA (and Canada)!
    Current Coach: 2021 Grand Design Reflection 320MKS
    Current Rig: 2019 Ford F350 SD Crew Cab, w/8' box, Lariat, SRW, 6.7l Diesel

  4. #4
    Site Sponsor
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    Can you buy 150 proof spirits? Denatured alcohol is simply high proof ethanol with an additive to keep people from drinking it.
    John & Kathy
    2014 F250 Lariat FX4 6.2L SBCC
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  5. #5
    Seasoned Camper Fivecodys's Avatar
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    That's a good idea. I will look into that.

    Thank you!
    2020 Reflection 29RS 5th Wheel
    2019 GMC 2500 HD 4x4 Duramax

  6. #6
    Fireside Member
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    Try looking for Everclear. You can get it at 190 proof.
    2022 F350 CCSB Lariat Ultimate 7.3
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  7. #7
    Site Team Redapple63's Avatar
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    In most cases isopropyl alcohol us just fine in most of the same applications. Big difference between the two is denatured alcohol is mostly ethanol with some other agent that makes it unfit for human consumption. Isopropyl alcohol has water in it so it may have somewhat longer drying time.

    Bill
    2019 GMC 3500 SRW Sierra Denali Duramax
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  8. #8
    Fireside Member
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    My local RV dealer recommended Acrysol by Kent automotive and it works great. It will not hurt the roofing material, but it will soften/remove lap sealant. It is especially good for cleaning the sealant before applying a maintenance touch up of new caulk. I also use it to help remove silicone caulk; it is also excellent at removing black streaks on the finish.

    Although it is expensive, a little goes a long way, especially if you use the applicator built into the cap.
    2018 2670MK
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  9. #9
    Left The Driveway
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    I am also a Fan of Everclear use it for all cleaning projects but the body
    Ken

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