POR15 or Galvafroid?

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dnb
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POR15 or Galvafroid?

Post by dnb »

I have a new car, and once I clean the arches and underside I dare say there will be stone chips down to bare metal that will need attention.

What would be the best thing to undercoat the car with? I have a choice of POR15 or Galvafroid. I will be over coating with epoxy pitch.



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Post by katanaman »

Never used por 15 so for me it would have to be galvafroid which I have used loads. An alternative that I have also used is Crown industrial zinc primer which is really good and used in power stations. It must have a lot of zinc in it because it is mega heavy. Just dont use Davids its garbage.

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Rossco
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Post by Rossco »

POR15......excellent stuff

dnb
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Post by dnb »

I have used both. Not sure which I prefer... Probably will be por15 to keep the weight down.

DaveEFI
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Re: POR15 or Galvafroid?

Post by DaveEFI »

dnb wrote:I have a new car, and once I clean the arches and underside I dare say there will be stone chips down to bare metal that will need attention.

What would be the best thing to undercoat the car with? I have a choice of POR15 or Galvafroid. I will be over coating with epoxy pitch.
What does the epoxy pitch maker say? A primer has to stick to the metal and the topcoat to the primer.
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dnb
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Post by dnb »

"sticks to nearly anything, even under water"

I know it sticks to both Por15 and galvafroid.

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Post by DaveEFI »

dnb wrote:"sticks to nearly anything, even under water"

I know it sticks to both Por15 and galvafroid.
In which case I'd use a decent acid etch primer. I'm not convinced zinc rich paints have much to offer. Lead based, yes. ;-)
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