Powder coat frame

Discussion in 'Exterior' started by ajdemello, Feb 12, 2018.

  1. 1987 GMC Jimmy

    1987 GMC Jimmy Full Access Member

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    Back then. It’s Snapchat, Instagram, and Facebook now.
     
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  2. bucket

    bucket Super Moderator Staff Member

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    Exactly. A truck driven in the rust belt WILL develop rust under the coating and the rust WILL snowball under the coating since it's too strong to simply fall off on it's own.
     
  3. ajdemello

    ajdemello Full Access Member

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    Im glad i asked! I had no clue! Dont know much about paint or painting so ill probably look in to some kind of rubberized under coating then if that will be better...
     
  4. bucket

    bucket Super Moderator Staff Member

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    No matter what you paint it with, try to spray the underside with a power washer any chance you get that it's above freezing long enough. If it takes the paint off, that's ok because it just means it was about to start forming rust there anyway.
     
  5. Jrgunn5150

    Jrgunn5150 Questionable methods

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    It's already been covered, but I agree, no powder on the frame.

    It won't fill in the gaps between crossmembers and rails and whatnot, and it you ever need to weld to it or modify it you have powder to deal with.

    If it's blasted clean, good epoxy primer, top coat, and a satin clear will outlast you.
     
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  6. 78longstep

    78longstep Junior Member

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    Good day to all. I'm sure the answer is no but what about sandblasting the frame and underbody then doing a spray in bed liner?
     
  7. Jrgunn5150

    Jrgunn5150 Questionable methods

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    Nothing wrong with that, except the same deal, if you ever want to weld to it, it'll be a mess.

    There's also nothing wrong with good primer and paint lol.
     
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  8. 78longstep

    78longstep Junior Member

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    wouldn't the bedliner be more durable and protect better than paint? I'm looking at it from the angle of a 1 time application and be done for 20 years
     
  9. Jrgunn5150

    Jrgunn5150 Questionable methods

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    Real, two part product would be more durable than paint for sure. You just need to make sure all your welding and drilling is done first, it you come back later and want to hang an exhaust hanger from it later it'll be a debacle.
     
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  10. rpcraft

    rpcraft Full Access Member

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    if it is blasted and cleaned properly, then applied correctly, with someone who is thorough everything should be coated but if someone is taking shortcuts then yes, there may be some gaps, but considering it is applied electrostatically it should cling in all areas and when you bake it there is a melting process that encapsulates the gaps and flows in between them.
     
  11. Jrgunn5150

    Jrgunn5150 Questionable methods

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    Powder doesn't go into inside corners very well, we struggle with this in production daily.
     
  12. ajdemello

    ajdemello Full Access Member

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    Ok so ive been doing some looking around for what i want to use since powder coat is out. The eastwood stuff was talked about so i looked at that. Im not set up to paint and i dont really have the knowledge. But they sell the primer 12 a rattle can and the chassis black like 15 a can. Since its just the frame and not a show truck im sure i could get by with that after i get it blasted which brings me to the next thing. I called a guy who blasts he's about 10 mins from me he said 100 bucks to blast the just the frame. I think thats a good deal! So i asked him about paint he said he uses a sherwin Williams industrial paint. Another 160 he would primer and paint. I asked how it held up i guess he uses it on the semi frames he paints said it was good stuff. His only concern was if lots of rocks were thrown at it how it would hold up. Im sure i could get the same stuff in a rattle can he uses for touch up and to paint the small stuff after its clean. What do you guys think? Anyone used Sherwin Williams?
     
  13. CSFJ

    CSFJ ----------------- Supporting Member

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    Find out if it's an epoxy primer that he uses. If it is, I wouldn't have any worries.
     
  14. Jrgunn5150

    Jrgunn5150 Questionable methods

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    Regular paint is fine as long as it has good adhesion, that's all you're really looked for. If it get's chipped, and it will, touch it up.
     
  15. shiftpro

    shiftpro Full Access Member

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    Did you use rust converter first? Your frame is probably rusting underneath the undercoat. Sad thing is you won't see returning it until it gets quite bad.
     

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