Another rattle can paint question: does can primer need to be sanded off before good primer is put on?

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Model T Ford Forum: Forum 2014: Another rattle can paint question: does can primer need to be sanded off before good primer is put on?
Top of pagePrevious messageNext messageBottom of page Link to this message  By Robert Poane on Thursday, November 06, 2014 - 07:42 pm:

Another rattle can paint question: does can primer need to be sanded off before good primer is put on?

I painted the body and fenders with rattle can primer to avoid surface rust. I'll drive the car for several months to work out the kinks and have a professional paint it in the spring.

Will the professional have to strip the primer or can he just sand it and put better primer over the rattle can?

Thank you in advance. Bob


Top of pagePrevious messageNext messageBottom of page Link to this message  By Allan Bennett - Australia on Thursday, November 06, 2014 - 07:55 pm:

Robert, in my experience, primer will not prevent rust. It will delay it, but it is porous and will allow rust to get a hold again. I would not drive the car and then expect a later paint job to hold up. If you must drive it, give it a topcoat of any compatible finish, to seal the surface.

Hope this helps.

Allan from down under.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Walter Higgins on Thursday, November 06, 2014 - 08:15 pm:

Robert,

To answer your question -- yes, your painter needs to strip off the rattle can primer you have applied prior to applying a good commercial grade primer and topcoat.

If your painter knows what he is doing, and he is aware that you have primed your car with an aerosol can, he will make this recommendation himself.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Robert Poane on Friday, November 07, 2014 - 08:22 am:

Not what I wanted to hear. LOL But Thanks!


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