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Bubbly paint

Started by _holdon_ , Sep 09 2006 01:54 PM

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4 replies to this topic

#1 _holdon_

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Posted 09 September 2006 - 01:54 PM

gday.

the paint on my door and front guards are getting all bubbly. this has been getting worse and worse over the last yr.

i want to make a move on it before it gets even worse.
im guess it is rust that is forming under the paint. the bubbles are really tiny tho, but hundreds of them (kinda like goose bumps)

what is required to eliminate this. is a bare metal paint job required?

the car was painted only 3 years ago but was only just painted over the old paint.

for both the front gurads and doors, how much would i be looking at approx to get it professionally done - assuming its a full rub down to metal, treated and then painted.

any help is greatly appreciated.

thanks!!

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#2 FastEHHolden

Steptoe

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5,114 posts

Location:Central Coast NSW
Joined: 16-November 05

Posted 09 September 2006 - 02:48 PM

you are going to have to open a bubble up to see if it is rust, humidity between layers or if the paint just isnt sticking...I would say one way or another all the paint has to come off.

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#3 _holdon_

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Posted 12 September 2006 - 08:10 AM

hmm, so it may not be rust. could the humidity be caused by having a thick car cover over the car? or is it humidity under that paint from b4 it was painted.

cheers

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#4 _gtr161s_

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Posted 16 September 2006 - 07:51 PM

sounds like the air water seperator wasn't working or lots of humidity when the car was sprayed.

I had a vh commodore sprayed at a panel shop years ago, about 4 months later the bonnet had hundreds of tiny bubbles which would appear then dissappear depending on the weather- took it back to the panel shop to strip and repaint.

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#5 _Garry_

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Posted 16 September 2006 - 10:46 PM

My son is a spray painter and he agrees that the bubbles are likely to be moisture bubbles from earlier spray job.

If original paint was not stable then it should have been taken back to a stable paint layer or primer if possible but from what you now have a full bare metal respray is the answer.

Some shops charge as mauch as $1500 to strip a car but I have found that a caustic soda sand blast at $660 (last time) was cheaper, quicker and in the end better as it shows up all rust and removes the bog etc so you know nothing is hiding under the paint that will come back to bight you!

Garry