Paint probems, need some help

What ever the problem,the paint and what ever under neeth must come off,that we all will agree!

----- Original Message -----

From: Kerry Pinkerton

To: mailing-list@xxxxxxxxxxxxxxxx

Sent: Thursday, January 29, 2004 9:07 PM

Subject: Re: IML: Paint probems, need some help

Bill I wrote a note which follows. Before I pushed send, I went back and reread your original post and now am not sure about my original diagnosis. If it has been several YEARS, I hate to think that it is outgassing NOW. I'd tend to suspect there was surface rust under the repaint that was NOT killed. It took some time to grow to the point where it lifted the paint.

What makes me say this is your comment that the bumps are HARD. I had an outgassing problem several years back. It showed up within a month and the bumps were 'soft'. I could press a thumbnail in them and see the mark.

If you have a bump in a spot that is not easily noticible, you might take a sharp knife and pick it open and just see what's inside. Either way it's not good.

Following are my comments on outgassing bubbles_____________________

I had used some polyester finishing putty over some minor pits, sanded, primed with urethane, and laid the color. All in a couple days. EVERY where I had used the putty developed blisters.

The bad news is that there is NO CURE except taking off the paint down to the problem and redoing the panel.

Modern paints are inpermeable. Old style lacquer primer will outgas for 30 days. New Urethane primers are done in an hour ( I still like to wait a few days before sanding though. It just seems to sand better).

I don't know how production shops can do things so fast. Well actually I do, they have ovens that bake things to speed up the process. I guess that works for fillers also.

Kerryp
http://dte.net/57imperial
KaP Imperial Services - Patch Panels, Metalshaping, Restoration
Manufacturer of high quality Wheeling Machines

----- Original Message -----

From: Kenneth Napper

To: mailing-list@xxxxxxxxxxxxxxxx

Sent: Thursday, January 29, 2004 1:28 PM

Subject: Re: IML: Paint probems, need some help

Hi I'm Ken,I do auto body for a living.The thing your experiancing is ;BLISTERING,It's caused by traped solvences or(worse case sinereo),Body filler When body filler expands and contractes (when it thick)it couses this.Or the same with with bad preperation,either way ,its not good!----- Original Message -----

From: B & T Roddick

To: IML

Sent: Thursday, January 29, 2004 11:01 AM

Subject: IML: Paint probems, need some help

We store our "classics" under covers and in a car port over Winter.
Yesterday I went out to check on them and when I pulled the cover off one of
them I find a large percentage of the car's paint has what looks like
widely disbursed "goosebumps", not pointed but domed like water beads. I
pressed down on a few with my finger nail, but they do not compress or
break.

Any paint gurus out there have a clue what this could be? We have had the
car for a little over a year, it was repainted a few years ago. It is an
Ohio car transplanted to Washington State last Fall.

Bill & Tami Roddick

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