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  1. #1

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    Water bourne primer

    Anybody have any suggestions for a good water bourne primer to spray under latex paint?

  2. #2

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    RE: Water bourne primer

    Kilz...

    Marc

  3. #3

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    RE: Water bourne primer

    You really dont need primer when using latex unless you are painting a light color over a dark surface , maybe.
    91-Zulu

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    RE: Water bourne primer

    Any special kind of Kilz?

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    RE: Water bourne primer

    It comes in either water base or shellac base. I would use the water base under water base paint. However, a primer of the same brand of paint you are using would also work as well. Kiltz usually is used as a blocker for stains so they don't bleed through the top coat. Another consideration is whether or not you want or need to sand the primer before the top coat. That may get you different answers to your question.

    Good luck.

  6. #6
    Moderator da Rock's Avatar
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    RE: Water bourne primer

    It comes in rattle cans too.
    Good flying wit ya today

  7. #7

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    RE: Water bourne primer

    O.K. , I dont quite understand something here. In many other threads I have read about concerns re using water base poly-urethane for glassing.Most seem to indicate using a lacquer base type sanding sealer as a 1st base coat to prevent the water base poly-u from warping the balsa sheeting or planking.Wouldnt this be the same situation? If the water in the poly-u will/could cause warping why wouldnt the water in a latex primer do the same?
    obsessed Stuka D3 nut

  8. #8
    carlbecker's Avatar
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    RE: Water bourne primer

    If you are painting or priming over bare balsa that could be a concern. I glass mine using epoxy before priming and painting. I have some Dupont water based primer that seems to sand fairly well but not as good as rustoleum auto from HomeDepot. If you are painting over different colors or tones with a paint that doesn't cover well I would prime first. Actually I think paint jobs come out better when the base is all one color to begin with.

  9. #9
    Warbird Man's Avatar
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    RE: Water bourne primer

    I just use standard issue rattle can auto primers and shoot/ brush latex over them. No problems.
    Warbird Man

    I love the smell of AV gas in the morning.
    Smells like.... victory

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    RE: Water bourne primer

    Water based primes would do the same thing as any other water based product. NEVER put any finish over bare balsa and expect it to look good. ALWAYS either glass the balsa or use dope and tissue etc. You need some type of matrix over the balsa (be it fiberglas, plastic tissue etc) or the grain will eventually show.
    BobH.

  11. #11
    77chickenhawk's Avatar
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    RE: Water bourne primer

    Also fiberglass on your airplane adds a lot of strength. I use 2 ounce cloth. I use polyester resin also. When you Fiberglas the wing, overlap the 2 ounce cloth at the middle. Which will also add strength to the wing. i use a polyester catalyzed primer. But I have automotive equipment to spray my primers.
    Just Make It Look Real !!!

  12. #12

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    RE: Water bourne primer

    Just because latex paint is water based doesnt automaticly mean your primer or base coat has to be water based. Latex paint will stick to just about any surface if it is not a high gloss. Have you ever tried to clean off dried latex drips or mistakes from painting around your house? It doesnt come off easily.I think your best bet is to put down a base coat of sanding sealer like Deft or glass the plane with epoxy. Then apply a coat or two of auto primer and when dry followed with your latex colors.
    obsessed Stuka D3 nut

  13. #13

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    RE: Water bourne primer

    Hay Warbird man, how do you do panel lines using that painting method?

  14. #14
    Warbird Man's Avatar
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    RE: Water bourne primer

    One can use chart tape on the "final" primer coat(s) for butt joint affect or tape off sections for overlap effect. I like to use sandable high fill primer for filling the imperfections. I know thats heavy but you sand most of it off. Then I use a primer sealer for the final coats. I'm sure others have their methods as well.






    Warbird Man

    I love the smell of AV gas in the morning.
    Smells like.... victory


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