|
|
Post by indianajones on Dec 21, 2012 7:25:45 GMT
Hey guys, Have been trying to remove some orange peel at the front of my car. I think I might of sanded too far (see photo)  Also there seems to be a blob of a slightly different shade where I've been sanding (see photo)  The sanding has been done with 1500 and 2000 wet n dry, followed by polish. Any advice on how to fix it/not mess it up again with some of the other areas. Cheers, Andrew |
|
|
|
Post by aussietony on Dec 21, 2012 8:24:43 GMT
Andrew,
I would be almost impossible to sand through the paint with the grades you are using....I suggest that you have just taken the top off the orange peel and you need to further until it is all gone and then use a cutting compound then polish.
Aussietony
|
|
|
|
Post by indianajones on Dec 22, 2012 5:16:31 GMT
I would of though it'd be pretty hard to sand through the paint with those grades by just using my hands.....
Elsewhere, I've been told I'll need to respray that area.
Somewhat confused now lol
-Andrew
|
|
|
|
Post by indianajones on Dec 22, 2012 6:03:36 GMT
Well I gave sanding another go, things looked like they got better....  And then worst lol  I reckon the duller white ring is the orange peel and the brighter blob in the centre the primer. Also note the change in colour between the blues -Andrew |
|
|
|
Post by kelsham on Dec 23, 2012 9:17:43 GMT
It's difficult to tell from a picture, but it does look like primer showing through.
I would stop sanding until you are sure.
If the car has been repainted it could be a thin top coat. If it is primer you will need to respray the area.
Regards Kels.
|
|
|
|
Post by indianajones on Jan 9, 2013 1:10:21 GMT
Any advice on how to respray the area? should I sand it back, prime it and respray?
Should give it a go, as the concours is on in a month!
I just need to find the paint first, I donno where I placed it *doh*
-Andrew
|
|
|
|
Post by Penguin45 on Jan 9, 2013 21:14:39 GMT
What painting equipment have you got, Indy?
Chris.
|
|
|
|
Post by indianajones on Jan 9, 2013 22:22:38 GMT
My mate has a spray gun and small compressor used for modeling (could get a bigger compressor perhaps).
Otherwise that's it.
It is something I am looking at doing myself more down the line so I could be prepared to fork out and get some stuff.
-Andrew
|
|
|
|
Post by Penguin45 on Jan 10, 2013 1:35:46 GMT
This is on the scuttle panel, yes? Mask off the bonnet, wing ends and across the bottom of the screen seal. Use plenty of newspaper and rub down the masking tape to ensure a seal. Assuming that you haven't got any bare metal showing, rough up the entire panel with 600 grit w+d paper. Clean it - water and cloth, followed by panel wipe, followed by a good quality tack rag. I assume you've got cellulose paint, so mix up a small quantity 50/50 with quality (Anti-bloom) thinners. Expend some of this to master distance and speed for the actual painting process - I hung a sheet of wallpaper on the garage wall and painted it! Too far away and it'll be dusty and speckly; too close and it will run. The gun needs to be kept parallel to the work, start spraying just before you arrive at the panel and stop just after you run off the end. It's a layering up process, so 3 or 4 passes should give you an even coat. Goa nd have a cup of tea, 'cos you'll need to repeat this three or four times to give you a decent depth of paint. It tacks off pretty quickly, so you can usually add the next layers half/three quarters of an hour later.
When you think it starts to look good, do a final layering up with 25/75 paint/thinners. This makes for a very "wet" coat, but the gloss is usually pretty good. Then leave it alone until you're absolutely convinced that it's dry - at least a week if the sun's out.
Then you're back to rubbing down again......
Chris
|
|
|
|
Post by indianajones on Jan 10, 2013 1:59:15 GMT
Awesome advice mate  It's right on the end of the bonnet i.e. 'the nose' just above the grill. Just two questions, what is panel whip? and what is a tack cloth? Cheers! -Andrew |
|
|
|
Post by Penguin45 on Jan 11, 2013 0:34:28 GMT
Panel wipe - spirit based de-greaser and cleaner.
Tack cloth - sticky rag, gets all the bits of dust and other detritus off the panel immediately before you paint.
Have a word with the guy who did the painting - you only need a splash of panel wipe and a couple of tack rags for a touch-in job. He may have some sympathy for your plight.
Instructions above apply for painting a panel - you don't want to re-paint the entire bonnet. So......... mask off the wings and grill/front panel. Conventional painting tecnique is to keep the gun parallel to the work and to start spraying just before you hit the panel and stop just after you run off the end. You can't do that for a localised repair, as you only want to paint a small area. You need to "swoop" in from the panel side and run off the front of the bonnet. This will generate a fair amount of overspray (paint dust) on the bonnet itself, which should rub off pretty easily once it's dried. Looks like dust on the surface. What you mustn't do is mask off the area to be repaired, as you create a hard edge of paint, which is a s@d to rub down and blend into the existing paint.
Having mentioned practising on a sheet of wallpaper, it might be worth drawing a circle on the paper and having a go at building up the paint in the circle. You'll very quickly see how the paint pattern evolves.
Chris.
|
|
