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        General >> Give/Need advice to/from others >> spray job
        
(Message started by: armatec on May 19^th, 2006, 10:54pm)

Title: spray job
Post by armatec on May 19^th, 2006, 10:54pm

hi all... hope someone can help me with this..
i have got some marks on my bumper about the size of a dinner plate.. its scratched the paint but not gone into the plastic.. ive been and brought some new paint (tourmallard green) metalic, and ive got a can of paint and a can of lacquer...
ive sprayed cars before but never used metalic spray paint, basically what do i do? do i just spray as normal and then spray the lacquer on top when the green has dried? ...
please help
kev

Title: Re: spray job
Post by David_South_West on May 20^th, 2006, 3:33am

To stop paint from sinking into scratches a few coats of plastic primer and a gentle wet and dry before metalic spray and laquer may be best .You may find the laquer says to wait 'till metalic paint has hardened ..this could be overnight or even a couple of days .
Best to do on a warm day or in a warm dry garage.
Try a test run on an old piece of metal or hard plastic.

Title: Re: spray job
Post by Spannerdemon on May 20^th, 2006, 6:56pm

I used a great online site for paint for my own Scorpio when I first got it. Like you, the bumpers were in need of a good tidying. Very good service, decent size cans, and the paint was an exact match. Auralis Blue in my case. Took about 3 days to reach me via courier after I had ordered.

http://www.paints4u.com/GetColour.aspx?ProductID=5021

Also another site which gives great advice on preparing and spraying, which is not too technical for DIY car spraying jobs.

http://www.paintscratch.com/spraycan.htm#shine

My bumpers now look the part again.........despite being an absolute COW to get off.
WHY oh WHY did someone decide on Torx bolts for the bumpers......I don't know, but I'd like to have exchanged a few thoughts with him during the job!!! ;D ;D

Hope this helps you.

Title: Re: spray job
Post by ady on May 22^nd, 2006, 11:59pm

hi
not sure if this is going to help hehe
i had to touch up one of my doors once
but me being me knew i would screw it up :o

so i got my m8 to do it
he got a cup of WARM water and sat the can in there for a few mins.
i looked at him as to say wtf are you doing,but before i could ask he said"it makes it better to spray cos all the little bits usually only come out of the can when it is nearly empty" .
and i must admit he did a d**n good job lol
anyone else heard of this ?
or was he just having a laugh :-[

:D
ady

Title: Re: spray job
Post by howiedintheplace on May 23^rd, 2006, 9:15am

Ady
Yeah I do that trick myself sometimes. Infact it is a well known one for when the weather is a bit cold.

Spraying/painting is one of them things that everyone has their own way of doing.
Yes there is somethings you have to follow but application is something you learn todo your own way really.

I have sprayed a few cars, not many about 5 so far this year.

The way I would do it is.

Rub down with grey scotch to get a dull shine & fill any small dents or scratches with filler.
Apply a thin coat then one slightly thinker when touch dry.
Then again after touch dry a thick coat & then a very thin coat with added thinner for a finish.
If needed apply clear coat once the paint is touch dry again.
The clear coat is meant to eat into the base coats to form a strong finish, so you can't leave it to long otherwise it won't eat in & will start to peel off after a while.
Non of the above is set in stone as different paints or colours require more coats sometimes.
Basically you just spray to it looks good.

Metalic if a tricky colour to match can be affected by how thick the coat is, direction of spray, distance of gun & what primer you use if used.
Do a test on a scrap bit of metal to figure out how to match it.

Preparation is the key don't think the paint will fill the inperfections as it won't.
It has to be good before you spray it.

Title: Re: spray job
Post by Spannerdemon on May 23^rd, 2006, 10:45am

Good advice there. Especially the final part. Preparation is the absolute keyword in spray painting. If ithe surface looks bumpy or uneven when you start spraying, it will still look like a sack of **** when you have sprayed it.

Also, NEVER spray part of a panel. Do the whole panel, and ensure that you don't spray when it's too cold, or too windy. Don't cut back or polish the newly painted area for about a fortnight after spraying, as it needs time to cure properly.[flash=200,200][/flash]

Title: Re: spray job
Post by howiedintheplace on May 23^rd, 2006, 11:12pm

As said prep is the key to a good spray job.

Also the right temp, humidity, dust free & a decent spray gun helps. ;D