Painting question

[Mike Kimball]

I thought I remembered someone mentioning that there might be a problem
painting directly over epoxy chromate. I didn't do a very good job cleaning
up the chromate in spots and have tried removing it with a bunch of
different stuff with limited success. (Good stuff that chromate.) Is there
something that can be used to cover it (like you do with KILZ for painting
walls) so that you can paint directly over it? Sure would be a lot easier
than removing it. What about Pro-Seal? Something good to remove it or
cover it prior to painting. (Also kind of sloppy regarding cleanup prior to
setting up.) I'm not after an award winning paint job but I might like some
paint somewhere down the road.



Mike (lazy painter)

044SR





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[Ken]

Paint remover takes it off pretty quick.
There is no problem painting over the stuff IF the surface was
properly scuffed and degreased before the epoxy went on. I know I only
properly prepared the interior joints not the outer surfaces when
riveting. The paint bond won't be any better than the epoxy bond to the
aluminum...

As far as paint adhering to epoxy the only problems I've heard of were
when the epoxy was contaminated with something like silicone or oil or
not scuffed.

Ken

Mike Kimball wrote:

I thought I remembered someone mentioning that there might be a problem
painting directly over epoxy chromate. I didn't do a very good job cleaning
up the chromate in spots and have tried removing it with a bunch of
different stuff with limited success. (Good stuff that chromate.) Is there
something that can be used to cover it (like you do with KILZ for painting
walls) so that you can paint directly over it? Sure would be a lot easier
than removing it. What about Pro-Seal? Something good to remove it or
cover it prior to painting. (Also kind of sloppy regarding cleanup prior to
setting up.) I'm not after an award winning paint job but I might like some
paint somewhere down the road.



Mike (lazy painter)

044SR

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[Jean Poirier]

Hello Mike

What the people usually mean about paint adhesion problem over epoxy primer,
is that when primer is to old (between couple hours up to couple of week!)
the primer structure come to "close". You have to send or scothbrite it to
"open" the surface to promote adhesion.

Jean
Rebel 747R
----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <rebel-builders@dcsol.com>
Sent: Thursday, September 08, 2005 9:45 PM
Subject: Painting question

I thought I remembered someone mentioning that there might be a problem
painting directly over epoxy chromate. I didn't do a very good job
cleaning
up the chromate in spots and have tried removing it with a bunch of
different stuff with limited success. (Good stuff that chromate.) Is
there
something that can be used to cover it (like you do with KILZ for painting
walls) so that you can paint directly over it? Sure would be a lot easier
than removing it. What about Pro-Seal? Something good to remove it or
cover it prior to painting. (Also kind of sloppy regarding cleanup prior
to
setting up.) I'm not after an award winning paint job but I might like
some
paint somewhere down the road.



Mike (lazy painter)

044SR





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[Mike Kimball]

That would be cool if that's the only problem. I thought maybe it would
bleed through or something. I know nothing about painting as you can see.
The whole plane would have to be prepped for painting by scotchbriting or
sanding I would think. Thanks Jean.

Mike

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Jean
Poirier
Sent: Friday, September 09, 2005 4:49 AM
To: rebel-builders@dcsol.com
Subject: Re: Painting question

Hello Mike

What the people usually mean about paint adhesion problem over epoxy primer,

is that when primer is to old (between couple hours up to couple of week!)
the primer structure come to "close". You have to send or scothbrite it to

"open" the surface to promote adhesion.

Jean
Rebel 747R
----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <rebel-builders@dcsol.com>
Sent: Thursday, September 08, 2005 9:45 PM
Subject: Painting question

I thought I remembered someone mentioning that there might be a problem
painting directly over epoxy chromate. I didn't do a very good job
cleaning
up the chromate in spots and have tried removing it with a bunch of
different stuff with limited success. (Good stuff that chromate.) Is
there
something that can be used to cover it (like you do with KILZ for painting
walls) so that you can paint directly over it? Sure would be a lot easier
than removing it. What about Pro-Seal? Something good to remove it or
cover it prior to painting. (Also kind of sloppy regarding cleanup prior
to
setting up.) I'm not after an award winning paint job but I might like
some
paint somewhere down the road.



Mike (lazy painter)

044SR





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