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  1. #1
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    Self-leveling sealant

    Good afternoon. What is the best technique to remove old self-leveling sealant from the roof? It appears the the sealant on the top of my trailer is turning loose from vent boots and around the front cap, in places. I intend to put dicor back in its place but need to know the best route to take in removal of the old stuff first.
    thanks.
    2021 Imagine 2910BH
    2020 Chevy 2500 HD Crew, 6.6L Duramax, Z71, 4X4

  2. #2
    Site Team Redapple63's Avatar
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    Self-leveling sealant

    I use a plastic spudger for electronics. Works great and minimizes any potential for rips or tears in the roof material.

    https://a.co/d/4xxFE1A

    You can also use a bit of localized heat to soften it up a bit too. Just work it progressively around each roof protrusion.

    If you use Dicor, there is an EPDM/TPO cleaner primer available. If not you can use isopropyl alcohol to clean prior to reapplying.

    Bill
    Last edited by Redapple63; 01-06-2023 at 01:54 PM.
    2019 GMC 3500 SRW Sierra Denali Duramax
    2020 Reflection 315RLTS

  3. #3
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    Quote Originally Posted by Redapple63 View Post
    I use a plastic spudger for electronics. Works great and minimizes any potential for rips or tears in the roof material.

    https://a.co/d/4xxFE1A

    If you use Dicor, there is an EPDM/TPO cleaner primer available. If not you can use isopropyl alcohol to clean prior to reapplying.

    Bill
    Thank you, Redapple. I also wonder if anyone else with a 2021 model is experiencing the same? It appears that the sealant used is not Dicor because it has set up hard or harder than Dicor does.
    2021 Imagine 2910BH
    2020 Chevy 2500 HD Crew, 6.6L Duramax, Z71, 4X4

  4. #4
    Site Team Second Chance's Avatar
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    Quote Originally Posted by Maddgopher View Post
    Thank you, Redapple. I also wonder if anyone else with a 2021 model is experiencing the same? It appears that the sealant used is not Dicor because it has set up hard or harder than Dicor does.
    Later model GD RVs use the Alpha Systems EPDM roofing material - and they have their own sealants. You might go to their web site and see if they have any recommendations.

    Rob
    U.S. Army Retired
    2012 F350 DRW CC LB Lariat PS 6.7
    2020 Solitude 310GK-R, MORryde IS, disc brakes,
    Sailun LRG tires, solar, DP windows, W/D
    (Previously in a Reflection 337RLS)
    Full time since 08/2015

  5. #5
    Site Team Redapple63's Avatar
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    Quote Originally Posted by Second Chance View Post
    Later model GD RVs use the Alpha Systems EPDM roofing material - and they have their own sealants. You might go to their web site and see if they have any recommendations.

    Rob
    Thanks Rob.

    Here is a link to Alpha Systems self leveling lap sealant.

    https://a.co/d/62wMAtL

    Bill
    2019 GMC 3500 SRW Sierra Denali Duramax
    2020 Reflection 315RLTS

  6. #6
    Long Hauler
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    Be sure to shop around, I bought 4 tubes for around $29, a few months ago.
    Howard and Peggy
    2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
    His: 1999 Honda Interceptor
    Hers: 2013 Spyder ST-S

  7. #7
    Site Team Soundsailor's Avatar
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    Quote Originally Posted by Hoopy Frood View Post
    Be sure to shop around, I bought 4 tubes for around $29, a few months ago.
    The best I could find was $40 for 4 (https://www.ebay.com/itm/272436977144).
    Stephen and Judy
    2022 Reflection 150 Series 260RD (Stella)
    2017 Chevy Silverado 2500 HD (Blue)
    Traded - 2018 Forest River Rockwood Minilite 2104S

  8. #8
    Long Hauler
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    Bummer, the guy I bought from isn't showing any availability either.
    Howard and Peggy
    2019 Momentum 351M, and 2018 RAM Cummins dually 6-speed.
    His: 1999 Honda Interceptor
    Hers: 2013 Spyder ST-S

  9. #9
    Site Sponsor jsm180's Avatar
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    I bought the 5121 Alphathane, a little cheaper than the 1021. I can't find what the difference is.

    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    2003 Ford F250 6.0 CC 4wd SB
    2016 Reflection 27RL
    1999 Keystone Sprinter 27FWBHGL (SOLD)

  10. #10
    Site Sponsor Biery-Bullock's Avatar
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    It might not make a difference for the original question, but Rob mentioned "later model" GD rigs having EPDM roofs. We have a 2019 Imagine with a TPO roof, which may be an "earlier model" or, perhaps, the higher-end units are different than our "later model" rig. The difference between EPDM and TPO can be significant when choosing a caulk to replace what was removed.
    Roger & Leonard
    Imagine XLS 21BHE / RAM 1500 5.7L

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