How to paint Stainless steel weather strips?




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  1. #1
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    Default How to paint Stainless steel weather strips?

    The black coating on my vehicle's weather strips are flaking off, I sprayed it with shake can Matt black which looked perfect but 6 months later and it's also flaking off.

    Obviously no primer equals poor adhesion on s/s so I'm not overly surprised my previous paint job failed but what is the correct method to overcoat shiny stainless steel and ensure it lasts?

    Edit: I need to refinish them in matt black, can't be glossy.
    Last edited by Skylark; 2018/11/10 at 08:04 PM.

  2. #2
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    Default Re: How to paint Stainless steel weather strips?

    The problem with any smooth surface like SS is that normal paint will not stick to it. This is the main reason why paint specifications have requirements for surface profile. You need to get special stuff. I do not know what is on the local market. Try first googling for general info and look for the product here. Just fun for it:
    https://www.wikihow.com/Paint-Stainless-Steel

    People working on really serious stuff like nuclear power station get this smooth surface painting wrong. Get knife and lift one corner and pull. Everything comes off if wrong paint was used. Something like this actually happened to somebody.
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  3. #3
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    Default Re: How to paint Stainless steel weather strips?

    This is the weather strips that I am referring too, at the base of the window.

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    Default Re: How to paint Stainless steel weather strips?

    clean off the old paint
    degrease properly, plascon has a good "acryline precleaner"
    scuff the panels with some scotchbright pads to create a bit of key for the primer to bite into
    degrease again
    apply Plascon APU 107 1k etching primer
    using some fine scotchbright pads, de-nib the primer when dry
    overcoat with a 2k topcoat, in whatever gloss level you want

    provided you don't chip it it should last pretty long

    same for aluminium

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  6. #5
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    Default Re: How to paint Stainless steel weather strips?

    Quote Originally Posted by RvanZ View Post
    clean off the old paint
    degrease properly, plascon has a good "acryline precleaner"
    scuff the panels with some scotchbright pads to create a bit of key for the primer to bite into
    degrease again
    apply Plascon APU 107 1k etching primer
    using some fine scotchbright pads, de-nib the primer when dry
    overcoat with a 2k topcoat, in whatever gloss level you want

    provided you don't chip it it should last pretty long

    same for aluminium
    The problem I need it to be matt, I tried with gloss paint before and it doesn't look great to have shiny weather strips, the rubber is also bonded to the stainless so gloss over rubber won't work unless I have a hard paint line where the rubber meets the stainless. That will be difficult to do neatly and also look a little strange.

    As far as I know 2k needs matting agent to add to the 2k gloss. Going with 2k by the time that's all costed in its going to be a very expensive and labour intensive job with potentially dubious results.

    My existing weatherstrips are pretty old but still in excellent working order, I just want uniform black colour that sticks not necessary a flawless refinish. Replacing them would probably cost a few thousand rand so that's not an option either.

  7. #6
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    Default Re: How to paint Stainless steel weather strips?

    I didnt know 2k black is only gloss. Could you not etch prime,and then spray a duco type paint?

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    Default Re: How to paint Stainless steel weather strips?

    Try Rust Oleum 2X Ultra cover sparay can.Its a primer and paint.Comes in flat black which is matt.
    At Builders Warehouse.Its pretty expensive at R140 a can but works very very well.
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    Default Re: How to paint Stainless steel weather strips?

    Sprayed my SS roofrack, got everything from City Paint and Tool. The primer was a “strontium primer”, worked well now 4 years later, on that primer you can put anything. Did not sand/scotchbrite the SS tubing, hope this helps

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    Default Re: How to paint Stainless steel weather strips?

    My local paint shop has 1k Matt...I use it all the time

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    Default Re: How to paint Stainless steel weather strips?

    Strip the old paint off, go over it with Scotchbrite to break the gloss, degrease and prime with Plascon Epiwash Strontium Chromate Primer, scotchbrite and degrease again, paint with matte.
    Cheers,
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    Default Re: How to paint Stainless steel weather strips?

    Plasti-dip?

  13. #12
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    Default Re: How to paint Stainless steel weather strips?

    Plasti dip could work, but I'd still buff the shine off the base material to give a bit of a key to allow better adhesion.
    Cheers,
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  14. #13
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    Default Re: How to paint Stainless steel weather strips?

    Quote Originally Posted by plunger View Post
    I didnt know 2k black is only gloss. Could you not etch prime,and then spray a duco type paint?
    I wish they made 2k in matt without matting agent needed, etch plus rattle can may be the best option, rattle can is basically duco.

    Quote Originally Posted by LC Man View Post
    Try Rust Oleum 2X Ultra cover sparay can.Its a primer and paint.Comes in flat black which is matt.
    At Builders Warehouse.Its pretty expensive at R140 a can but works very very well.
    That is actually a good option, their paints are in a league above normal rattle can paint and they sell a textured matt black which would work well.

  15. #14
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    Default Re: How to paint Stainless steel weather strips?

    Quote Originally Posted by SAND View Post
    Plasti-dip?
    Quote Originally Posted by JohnnoK View Post
    Plasti dip could work, but I'd still buff the shine off the base material to give a bit of a key to allow better adhesion.
    I didn't think about that but how durable does it stick, I may find myself back at the same point with it coming off, isn't it designed for easy removal by pulling it off?
    Last edited by Skylark; 2018/11/12 at 12:38 AM.

  16. #15
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    Default Re: How to paint Stainless steel weather strips?

    Quote Originally Posted by GaryFrank View Post
    My local paint shop has 1k Matt...I use it all the time
    That's just good old duco matt black, same as in rattle cans?

  17. #16
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    Default Re: How to paint Stainless steel weather strips?

    Thanks to everyones replies thus far, some good ideas, I can see the strontium primer should make a big difference and make whatever I use as a top coat stick a lot better.

  18. #17
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    Default Re: How to paint Stainless steel weather strips?

    Same same

  19. #18
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    Default Re: How to paint Stainless steel weather strips?

    Have a think about Satin Black, it's basically "half matte" for want of a better description, and IMO, looks a lot nicer than flat black.

    I stand under correction, but I believe you can get 2K flat/satin paints.

    ETA: I see you are in George, I think there is a Cape Paint and Panel in George, chat with them, or call the one in CT.
    Last edited by JohnnoK; 2018/11/12 at 01:03 AM.
    Cheers,
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