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? regarding rustoleum

Discussion in 'The Hokey Ass Message Board' started by misfit36, Nov 4, 2007.

  1. misfit36
    Joined: Aug 8, 2007
    Posts: 288

    misfit36
    Member
    from new york

    ive searched but found no answers. i layed down my first coat of rustoleum hammered to my rear frame rails. no time for the second coat. on the can( quart- i used foam brush ) it says to wait either up to 4 hours or 7 days for second coat. anyone know the reason? and if id be alright after a day or two. its about 60 deg. here in ny.
     
  2. yekoms
    Joined: Jan 21, 2007
    Posts: 1,086

    yekoms
    Member

    I think that the reason is within 4 hours the solvents are still active and in 7 days the solvents are cured. Somewhere in between the first coat may loosen up.
    A ways back I use Rustoleum to paint the inside of radio controled car Lexan bodies. The first coat of paint would loose is grip on the Lexan if the second coat was done with my schedule instead of theirs. That happened to me twice until I figured it out.
    I hope that you get some more info. I'm interested also.
    Have fun,Smokey
     
  3. The solvent in the second coat can soften the first coat,
    frequently causing wrinkles and lifting.

    Under 4 hours,the first coat is still wet enough
    that this isn't a problem.

    Depending on the weather,and how thick the first coat was,
    you MIGHT be able to cheat a little on the 7 days limit.

    Common problem with Alkyd Enamels,especially if top coated
    with Lacquer,or Automotive clears, because the solvent is so aggressive.

    When in doubt,follow the instructions.
     
  4. neverdun
    Joined: Oct 17, 2007
    Posts: 566

    neverdun
    ALLIANCE MEMBER

    If you are spraying the Rustoleum you can thin it with laquer thinner. It greatly reduces the drying time and you can recoat it the next day. I usually reduce it 25-30 %. I have tried mineral spirits like the can says but 3 days later it was still tacky.
     
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  5. misfit36
    Joined: Aug 8, 2007
    Posts: 288

    misfit36
    Member
    from new york

    im actually brushing on for better coverage. ( i dont have a spray gun and didnt want cans) i dont plan on throwing on second coat this week anyway since its balls cold here in ny this week. so next week if it warms ill throw on the second. if i find out any more info ill let everyone know. thanks for the help.
     
  6. Abomination
    Joined: Oct 5, 2006
    Posts: 6,603

    Abomination
    Member

    Dude - this month's Hot Rod has a step-by-step guide on the roll-on Rustoleum paint job... with pics!

    ~Jason



     
  7. pastlane
    Joined: Oct 4, 2007
    Posts: 1,048

    pastlane
    Member

    Enamels (like Rustoleum) dry from the inside out. The longer you let it sit before second coating the better & harder the finish will be. Thin coats are always better than heavy.
     
  8. Automotive Stud
    Joined: Sep 26, 2004
    Posts: 3,666

    Automotive Stud
    Member

    I've tried it, and it can lift up ruining the whole thing. If it was some little bracket or trinket I'd gamble, on your frame I wouldn't.
     
  9. HemiRambler
    Joined: Aug 26, 2005
    Posts: 4,018

    HemiRambler
    Member

    I think you got that backwards - enamels dry form the OUTSIDE in. ( outside dries first) It's Lacquers that dry from the inside out.



     
  10. 52RustRocket
    Joined: Nov 3, 2006
    Posts: 264

    52RustRocket
    Member

    That's what i thought, but started 2nd guessing myself when I heard different.
     
  11. pastlane
    Joined: Oct 4, 2007
    Posts: 1,048

    pastlane
    Member

    Been sitting too close to the wood stove. My apologies.
     
  12. misfit36
    Joined: Aug 8, 2007
    Posts: 288

    misfit36
    Member
    from new york

    im gonna have to pickup this months Hot Rod, even though its a little late. from what i remember the lowest temp they say to use the stuff is somethin like 60. in ny its been droppin down to low 50's during the day. my truck is outside, no good way to bring it inside. how much do you think it will affect my second coat in lower temps? i noticed towards the end of my last "session" i was getting those cob web lookin thingys off the brush. i assume it was because it was alittle too cold. any suggestions? thanks again everyone
     
  13. Enamels cure by a combination of evaporation and polymerization.
    That means from the outside in.

    Unless it has been catalyzed,then the whole thing cures at once.

    Read the label for minimum temperatures on Rustoleum.
    If it's not there,check their web site.

    "Cobweb thingys" sounds like the paint in the brush was drying.
     
  14. So is there a catalyst you can use with rustoleum?
     
  15. Devin
    Joined: Dec 28, 2004
    Posts: 1,583

    Devin
    Member
    from Napa, CA

    Go to your local hardware / paint store and pick up a can of "Japan dryer". A little goes a long way and will help speed up the curing process.
     
  16. misfit36
    Joined: Aug 8, 2007
    Posts: 288

    misfit36
    Member
    from new york

    devin- do you think this "japan dryer" will also help in giving the paint a more "hammered" look ? i believe i read somewhere in my research that if you bake the piece it will cure quicker and give a better hammered appearance. i dont have an oven big enough to cure my frame so im kinda relyin on good ol' mother nature. and shes bein a real bitch here in ny
     
  17. Devin
    Joined: Dec 28, 2004
    Posts: 1,583

    Devin
    Member
    from Napa, CA

    I don't know how it'd affect the hammered paint. I've been using it on my chassis with semi gloss black. From what I understand, Japan Dryer is a "less is more" type deal. I've heard that too much will create a brittle - cracked paint job while small amounts just help speeding things up.
     
  18. Devin
    Joined: Dec 28, 2004
    Posts: 1,583

    Devin
    Member
    from Napa, CA

    I forgot to add:
    use 1/2 to 1 ounce drier per quart if this is the route you're going to take.
     

  19. Automotive paint catalyst will work.
    1-Shot make a catalyst specifically for Alkyd Enamels.
    TSC stores have a catalyst for their flat black tractor paint.
    I think John Deer has Catalyst for their tractor paint.


    Of course,isocyanate catalysts are expensive,
    and have a limited shelf life.

    I tried Japan Drier once,didn't do anything.

    Check the forecast on weather.com for a warmer day.
    Cold will slow the drying down,but it will eventually dry.
     
  20. michiganman061
    Joined: Jul 23, 2006
    Posts: 509

    michiganman061
    Member
    from Michigan

    DO NOT USE AUTO PAINT CATALYST IN RUSTOLEUM!!!!:(

    Seriously, it will not cure right and will all crinkle up. I tried it. Don't repeat my mistake.

    Use a hefty amount of Japan Drier, thats about it what you can do with rusteolum excpt for using acetone as a reducing solvent.

    I've painted ALOT of rustoleum in my day and I've found out what works and what dosent by trial and error.


     
  21. Zombie Hot Rod
    Joined: Oct 22, 2006
    Posts: 2,419

    Zombie Hot Rod
    Member
    from Bronx, NY

    Alos if you spray it on without the first coat having enough time to dry, the second coat of paint may seperate (looks like tiny cracks) as the "vapors" from the first coat try to escape... Sometimes it cracks/ seperates and sometimes is wrinkles up.
     
  22. misfit36
    Joined: Aug 8, 2007
    Posts: 288

    misfit36
    Member
    from new york

    well i put on a second coat well after the 1 week waiting period. this coat i put on a little thicker than the first. i noticed the second coat has a more "hammered" look to it, im assuming because it was thicker.
     
  23. Von Rigg Fink
    Joined: Jun 11, 2007
    Posts: 13,436

    Von Rigg Fink
    Member
    from Garage

    I too have had some bad issues with rustoleum paint. and mostly what i dont like about it is when you finnaly got it thick enough it seems to never fully cure, so it is "soft".

    is there something better for a frame? other than powder coating?
    and it would have to seal the frame good enough not to corrode or easily rub off over time.
     
  24. 1931S/X
    Joined: Apr 5, 2007
    Posts: 667

    1931S/X
    Member
    from nj

    try the eastwood chassis paint. i have some but havent used it yet.
     
  25. Zombie Hot Rod
    Joined: Oct 22, 2006
    Posts: 2,419

    Zombie Hot Rod
    Member
    from Bronx, NY

    Yeah, ten coats of hand rubbed lacquer!
     

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