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Underfloor Protection


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#1 DUF2

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Posted 21 June 2018 - 03:38 PM

I am about to order & fit a new floor section to my '65 Elf. I shall be getting the bits from M Machine.
I presume the panels come with just the basic black paint.
What do you guys suggest for protection?
Do I need etch primer?
Should I go for stone chip? Waxoyl etc?
I look forward to your suggestions & advice.

#2 cal844

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Posted 21 June 2018 - 03:47 PM

Remove the black transport primer, rub the bare metal
Then acid etch, high build primer
Upol gravitex(2 coats)
Then paint in 2k
Cover in waxoil or similar

#3 SamG

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Posted 22 June 2018 - 09:16 AM

M-Machines own panels come bare so no paint to remove. The Heritage panels they sell obviously have the e-coat applies that you'll need to remove.



#4 dotmatrix

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Posted 22 June 2018 - 09:23 AM

Why do you remove the black primer?

#5 cal844

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Posted 22 June 2018 - 09:28 AM

Why do you remove the black primer?


As it can give issues during the paint process

#6 Bat

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Posted 22 June 2018 - 09:52 AM

Hi,

Here's a question...

Wouldn't it be better to paint then stone chip so the paint seals the metal from the elements and then the stone chip protects the paint?

Cheers  :proud:



#7 dotmatrix

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Posted 22 June 2018 - 10:21 AM

Why do you remove the black primer?


As it can give issues during the paint process


ah ok.

what I normally do underneath the car is primer, then thin wax, then thick wax. and then touch it up with wax every 1-2 years depending on usage.

Edited by dotmatrix, 22 June 2018 - 10:21 AM.


#8 sonikk4

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Posted 22 June 2018 - 07:23 PM

Heritage panels come in a decent Ecoat but can sometimes have spider tracks of rust so worth sanding off.

 

Magnum primer coat is rubbish so remove completely.

 

Epoxy primer then stone chip followed by topcoat. Epoxy is water resistant unlike normal primers.



#9 cal844

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Posted 22 June 2018 - 07:32 PM

Heritage panels come in a decent Ecoat but can sometimes have spider tracks of rust so worth sanding off.

Magnum primer coat is rubbish so remove completely.

Epoxy primer then stone chip followed by topcoat. Epoxy is water resistant unlike normal primers.


Yes I agree that epoxy is a better primer so my advice is buy what's affordable to you.

It's best to apply the top coat over the stone chip (Gravitex) so it seals the gravitex and primered metal, then further protect with waxoil or similar

#10 Richie83

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Posted 22 June 2018 - 08:07 PM

I used Upol raptor body colour under mine. Looks mint and is flexible and strong.

#11 Dusky

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Posted 23 June 2018 - 06:39 AM

Remove the black transport primer, rub the bare metal
Then acid etch, high build primer
Upol gravitex(2 coats)
Then paint in 2k
Cover in waxoil or similar

Why would you put high build there?




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